# What is CVE-2025-21450?

> CVE-2025-21450 is a critical-severity flaw (CVSS 9.1) in Ar8035 Firmware from Qualcomm, published on 8 July 2025. It is not on the list of flaws known to be exploited today. The latest forecast puts its chance of use in the next 30 days at 0.3%. If you run an affected version, plan in the vendor’s fix.

Canonical page: https://www.precursorintelligence.com/what-is/cve-2025-21450

## At a glance

- **Verdict:** Fix this soon. Not confirmed as exploited yet, but serious or likely enough that it should not wait for a quiet month.
- **Precursor Intelligence risk score:** 54 out of 100 (Medium); action: Plan remediation. Kept up to date as the evidence changes.
- **Severity:** Critical (CVSS 9.1 out of 10)
- **Known to be exploited:** No, not on the list of flaws known to be exploited today
- **Chance of use in the next 30 days:** 0.3% (latest exploit-likelihood forecast)
- **Published:** 8 July 2025
- **Record last updated:** 11 August 2025
- **Main product:** Ar8035 Firmware from Qualcomm
- **Affected products:** 108

## What is CVE-2025-21450? In plain terms

It can be attacked from anywhere on the internet without logging in, and nobody has to click anything. If it works, the attacker can read data and change data.

### The official description

Cryptographic issue occurs due to use of insecure connection method while downloading.

### What kind of flaw is it?

- CWE-863: Incorrect Authorization
- CWE-287: Improper Authentication

### How an attack on it works

- Where an attacker can be: Anywhere on the internet
- How hard it is to pull off: Easy: no special conditions
- Login needed first: No login needed
- Does someone have to click: No, nobody has to do anything
- What an attacker gets: Can read data and change data

Severity vector: `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N`

## Is CVE-2025-21450 being exploited? Not that we know of

It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 0.3%. That can change at any time, which is why we keep watching.

Exploit likelihood over the last 7 days: 0.3%, 0.3%, 0.3%, 0.3%, 0.3%, 0.3%, 0.3%.

### Timeline

- 8 July 2025: Published
- 11 August 2025: Record last updated

### How Precursor Intelligence ranks it

CVE-2025-21450 scores **54 out of 100 (Medium)**, with the action "Plan remediation".

Every published flaw gets a risk score from 0 to 100, kept up to date as the evidence changes. Four things go into the score, from the one that counts most to the ones that count less:

- Evidence it is being exploited: biggest factor
- How severe it is: strong factor
- How widely exposed it is: smaller factor
- Threat activity around it: smaller factor

85 and above is Critical. Anything confirmed as exploited is always marked for an emergency patch, whatever its score. When this flaw matches software you track, it lands in your list with its score and the reasons behind it.

## Who is affected by CVE-2025-21450?

The published record lists 108 products.

- [Ar8035 Firmware](https://www.precursorintelligence.com/product/qualcomm/ar8035_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Fastconnect 6200 Firmware](https://www.precursorintelligence.com/product/qualcomm/fastconnect_6200_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Fastconnect 6700 Firmware](https://www.precursorintelligence.com/product/qualcomm/fastconnect_6700_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Fastconnect 6900 Firmware](https://www.precursorintelligence.com/product/qualcomm/fastconnect_6900_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Fastconnect 7800 Firmware](https://www.precursorintelligence.com/product/qualcomm/fastconnect_7800_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qca6174a Firmware](https://www.precursorintelligence.com/product/qualcomm/qca6174a_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qca6391 Firmware](https://www.precursorintelligence.com/product/qualcomm/qca6391_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qca6574a Firmware](https://www.precursorintelligence.com/product/qualcomm/qca6574a_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qca6574au Firmware](https://www.precursorintelligence.com/product/qualcomm/qca6574au_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qca6584au Firmware](https://www.precursorintelligence.com/product/qualcomm/qca6584au_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qca6595au Firmware](https://www.precursorintelligence.com/product/qualcomm/qca6595au_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qca6678aq Firmware](https://www.precursorintelligence.com/product/qualcomm/qca6678aq_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qca6688aq Firmware](https://www.precursorintelligence.com/product/qualcomm/qca6688aq_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qca6696 Firmware](https://www.precursorintelligence.com/product/qualcomm/qca6696_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qca6698aq Firmware](https://www.precursorintelligence.com/product/qualcomm/qca6698aq_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qca6698au Firmware](https://www.precursorintelligence.com/product/qualcomm/qca6698au_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qca6797aq Firmware](https://www.precursorintelligence.com/product/qualcomm/qca6797aq_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qca8081 Firmware](https://www.precursorintelligence.com/product/qualcomm/qca8081_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qca8337 Firmware](https://www.precursorintelligence.com/product/qualcomm/qca8337_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qcc710 Firmware](https://www.precursorintelligence.com/product/qualcomm/qcc710_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qcm4490 Firmware](https://www.precursorintelligence.com/product/qualcomm/qcm4490_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qcm5430 Firmware](https://www.precursorintelligence.com/product/qualcomm/qcm5430_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qcm6490 Firmware](https://www.precursorintelligence.com/product/qualcomm/qcm6490_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qcm8550 Firmware](https://www.precursorintelligence.com/product/qualcomm/qcm8550_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qcn6024 Firmware](https://www.precursorintelligence.com/product/qualcomm/qcn6024_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qcn6224 Firmware](https://www.precursorintelligence.com/product/qualcomm/qcn6224_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qcn6274 Firmware](https://www.precursorintelligence.com/product/qualcomm/qcn6274_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qcn9011 Firmware](https://www.precursorintelligence.com/product/qualcomm/qcn9011_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qcn9012 Firmware](https://www.precursorintelligence.com/product/qualcomm/qcn9012_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qcn9024 Firmware](https://www.precursorintelligence.com/product/qualcomm/qcn9024_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qcs4490 Firmware](https://www.precursorintelligence.com/product/qualcomm/qcs4490_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qcs5430 Firmware](https://www.precursorintelligence.com/product/qualcomm/qcs5430_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qcs6490 Firmware](https://www.precursorintelligence.com/product/qualcomm/qcs6490_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qcs8550 Firmware](https://www.precursorintelligence.com/product/qualcomm/qcs8550_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qep8111 Firmware](https://www.precursorintelligence.com/product/qualcomm/qep8111_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qfw7114 Firmware](https://www.precursorintelligence.com/product/qualcomm/qfw7114_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Qfw7124 Firmware](https://www.precursorintelligence.com/product/qualcomm/qfw7124_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [SD 8 Gen1 5g Firmware](https://www.precursorintelligence.com/product/qualcomm/sd_8_gen1_5g_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Sdx55 Firmware](https://www.precursorintelligence.com/product/qualcomm/sdx55_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Sdx61 Firmware](https://www.precursorintelligence.com/product/qualcomm/sdx61_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Sdx80m Firmware](https://www.precursorintelligence.com/product/qualcomm/sdx80m_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Sg8275p Firmware](https://www.precursorintelligence.com/product/qualcomm/sg8275p_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Sm4635 Firmware](https://www.precursorintelligence.com/product/qualcomm/sm4635_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Sm6370 Firmware](https://www.precursorintelligence.com/product/qualcomm/sm6370_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Sm6650 Firmware](https://www.precursorintelligence.com/product/qualcomm/sm6650_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Sm6650p Firmware](https://www.precursorintelligence.com/product/qualcomm/sm6650p_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Sm7325p Firmware](https://www.precursorintelligence.com/product/qualcomm/sm7325p_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Sm7635 Firmware](https://www.precursorintelligence.com/product/qualcomm/sm7635_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Sm7635p Firmware](https://www.precursorintelligence.com/product/qualcomm/sm7635p_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Sm7675 Firmware](https://www.precursorintelligence.com/product/qualcomm/sm7675_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Sm7675p Firmware](https://www.precursorintelligence.com/product/qualcomm/sm7675p_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Sm8635 Firmware](https://www.precursorintelligence.com/product/qualcomm/sm8635_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Sm8635p Firmware](https://www.precursorintelligence.com/product/qualcomm/sm8635p_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Sm8650q Firmware](https://www.precursorintelligence.com/product/qualcomm/sm8650q_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Sm8750 Firmware](https://www.precursorintelligence.com/product/qualcomm/sm8750_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Sm8750p Firmware](https://www.precursorintelligence.com/product/qualcomm/sm8750p_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Snapdragon 4 Gen 1 Mobile Firmware](https://www.precursorintelligence.com/product/qualcomm/snapdragon_4_gen_1_mobile_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Snapdragon 480 5g Mobile Firmware](https://www.precursorintelligence.com/product/qualcomm/snapdragon_480_5g_mobile_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- Snapdragon 480+ 5g Mobile Firmware by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Snapdragon 695 5g Mobile Firmware](https://www.precursorintelligence.com/product/qualcomm/snapdragon_695_5g_mobile_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Snapdragon 778g 5g Mobile Firmware](https://www.precursorintelligence.com/product/qualcomm/snapdragon_778g_5g_mobile_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- Snapdragon 778g+ 5g Mobile Firmware by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Snapdragon 782g Mobile Firmware](https://www.precursorintelligence.com/product/qualcomm/snapdragon_782g_mobile_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- Snapdragon 7c+ Gen 3 Firmware by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Snapdragon 8 Gen 1 Mobile Firmware](https://www.precursorintelligence.com/product/qualcomm/snapdragon_8_gen_1_mobile_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Snapdragon 8 Gen 3 Mobile Firmware](https://www.precursorintelligence.com/product/qualcomm/snapdragon_8_gen_3_mobile_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- Snapdragon 8+ Gen 1 Mobile Firmware by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Snapdragon 888 5g Mobile Firmware](https://www.precursorintelligence.com/product/qualcomm/snapdragon_888_5g_mobile_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- Snapdragon 888+ 5g Mobile Firmware by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Snapdragon Auto 5g Modem-Rf Firmware](https://www.precursorintelligence.com/product/qualcomm/snapdragon_auto_5g_modem-rf_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Snapdragon Auto 5g Modem-Rf Gen 2 Firmware](https://www.precursorintelligence.com/product/qualcomm/snapdragon_auto_5g_modem-rf_gen_2_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- Snapdragon W5+ Gen 1 Wearable Firmware by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Snapdragon X32 5g Modem-Rf Firmware](https://www.precursorintelligence.com/product/qualcomm/snapdragon_x32_5g_modem-rf_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Snapdragon X35 5g Modem-Rf Firmware](https://www.precursorintelligence.com/product/qualcomm/snapdragon_x35_5g_modem-rf_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Snapdragon X62 5g Modem-Rf Firmware](https://www.precursorintelligence.com/product/qualcomm/snapdragon_x62_5g_modem-rf_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Snapdragon X65 5g Modem-Rf Firmware](https://www.precursorintelligence.com/product/qualcomm/snapdragon_x65_5g_modem-rf_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Snapdragon X72 5g Modem-Rf Firmware](https://www.precursorintelligence.com/product/qualcomm/snapdragon_x72_5g_modem-rf_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Snapdragon X75 5g Modem-Rf Firmware](https://www.precursorintelligence.com/product/qualcomm/snapdragon_x75_5g_modem-rf_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Sw5100 Firmware](https://www.precursorintelligence.com/product/qualcomm/sw5100_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Sw5100p Firmware](https://www.precursorintelligence.com/product/qualcomm/sw5100p_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Video Collaboration Vc3 Platform Firmware](https://www.precursorintelligence.com/product/qualcomm/video_collaboration_vc3_platform_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Wcd9340 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcd9340_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Wcd9360 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcd9360_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Wcd9370 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcd9370_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Wcd9375 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcd9375_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Wcd9378 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcd9378_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Wcd9380 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcd9380_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Wcd9385 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcd9385_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Wcd9390 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcd9390_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Wcd9395 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcd9395_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Wcn3950 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcn3950_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Wcn3980 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcn3980_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Wcn3988 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcn3988_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Wcn6450 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcn6450_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Wcn6650 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcn6650_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Wcn6755 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcn6755_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Wcn7860 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcn7860_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Wcn7861 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcn7861_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Wcn7880 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcn7880_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Wcn7881 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcn7881_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Wsa8810 Firmware](https://www.precursorintelligence.com/product/qualcomm/wsa8810_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Wsa8815 Firmware](https://www.precursorintelligence.com/product/qualcomm/wsa8815_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Wsa8830 Firmware](https://www.precursorintelligence.com/product/qualcomm/wsa8830_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Wsa8832 Firmware](https://www.precursorintelligence.com/product/qualcomm/wsa8832_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Wsa8835 Firmware](https://www.precursorintelligence.com/product/qualcomm/wsa8835_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Wsa8840 Firmware](https://www.precursorintelligence.com/product/qualcomm/wsa8840_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Wsa8845 Firmware](https://www.precursorintelligence.com/product/qualcomm/wsa8845_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified
- [Wsa8845h Firmware](https://www.precursorintelligence.com/product/qualcomm/wsa8845h_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified

## How do I fix CVE-2025-21450?

1. **Check whether you run it.** Compare your versions with the affected products above. Not sure what you run? Precursor Intelligence can work it out from your public website, or you can pick it from a list.
2. **Apply the vendor’s fix.** Install the update named in the vendor’s advisory. We’ve put the advisory first in the list.
3. **If you can’t patch today.** Follow any mitigation the vendor publishes, and limit who can reach the affected system from the internet until the update is in.
4. **Keep an eye on it.** Track the product and we tell you as soon as we spot this flaw on the list of exploited flaws, or a jump in its exploit likelihood.

### References

- [docs.qualcomm.com](https://docs.qualcomm.com/product/publicresources/securitybulletin/july-2025-bulletin.html) (Vendor advisory)

## Questions

### What is CVE-2025-21450?

CVE-2025-21450 is a critical-severity flaw in Ar8035 Firmware from Qualcomm, published on 8 July 2025. It can be attacked from anywhere on the internet without logging in, and nobody has to click anything. If it works, the attacker can read data and change data.

### How serious is CVE-2025-21450?

It scores 9.1 out of 10 on the CVSS severity scale, which is critical. Our risk score for CVE-2025-21450 is 54 out of 100, which is Medium. Its action is "Plan remediation". Not confirmed as exploited yet, but serious or likely enough that it should not wait for a quiet month.

### Is CVE-2025-21450 being exploited?

It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 0.3%. That can change at any time, which is why we keep watching.

### Which versions does CVE-2025-21450 affect?

For Ar8035 Firmware from Qualcomm: version not specified. The record lists 108 products in all, each with its versions, under "Who is affected" on this page.

### How do I fix CVE-2025-21450?

Install the update the vendor names in its advisory, linked first under "How do I fix" on this page. If you can't patch today, follow the vendor's mitigation and limit who can reach the affected system from the internet.

## Does CVE-2025-21450 affect you?

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