# What is CVE-2023-33043? > CVE-2023-33043 is a high-severity flaw (CVSS 7.5) in Ar8035 Firmware from Qualcomm, published on 5 December 2023. 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 0.5%. If you run an affected version, plan in the vendor’s fix. Canonical page: https://www.precursorintelligence.com/what-is/cve-2023-33043 ## At a glance - **Verdict:** Plan it in. No sign of exploitation and a low forecast. Patch it in your normal update cycle. - **Precursor Intelligence risk score:** 46 out of 100 (Medium); action: Plan remediation. Kept up to date as the evidence changes. - **Severity:** High (CVSS 7.5 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:** 0.5% (latest exploit-likelihood forecast) - **Published:** 5 December 2023 - **Record last updated:** 11 August 2025 - **Main product:** Ar8035 Firmware from Qualcomm - **Affected products:** 59 ## What is CVE-2023-33043? 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 take it offline. ### The official description Transient DOS in Modem when a Beam switch request is made with a non-configured BWP. ### What kind of flaw is it? - CWE-617: Reachable Assertion ### 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 take it offline Severity vector: `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H` ## Is CVE-2023-33043 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 0.5%. That can change at any time, which is why we keep watching. Exploit likelihood over the last 7 days: 0.5%, 0.5%, 0.5%, 0.5%, 0.5%, 0.5%, 0.5%. ### Timeline - 5 December 2023: Published - 11 August 2025: Record last updated ### How Precursor Intelligence ranks it CVE-2023-33043 scores **46 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-2023-33043? The published record lists 59 products. - [Ar8035 Firmware](https://www.precursorintelligence.com/product/qualcomm/ar8035_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 - [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 - [Qcm4490 Firmware](https://www.precursorintelligence.com/product/qualcomm/qcm4490_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 - [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 - [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 - [Sd888 Firmware](https://www.precursorintelligence.com/product/qualcomm/sd888_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified - [Sdx57m Firmware](https://www.precursorintelligence.com/product/qualcomm/sdx57m_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified - [Sm4350 Firmware](https://www.precursorintelligence.com/product/qualcomm/sm4350_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified - [Sm4350-Ac Firmware](https://www.precursorintelligence.com/product/qualcomm/sm4350-ac_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified - [Sm4375 Firmware](https://www.precursorintelligence.com/product/qualcomm/sm4375_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified - [Sm6375 Firmware](https://www.precursorintelligence.com/product/qualcomm/sm6375_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified - [Sm7315 Firmware](https://www.precursorintelligence.com/product/qualcomm/sm7315_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified - [Sm7325-Ae Firmware](https://www.precursorintelligence.com/product/qualcomm/sm7325-ae_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified - [Sm7325-Af Firmware](https://www.precursorintelligence.com/product/qualcomm/sm7325-af_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 - [Sm7350-Ab Firmware](https://www.precursorintelligence.com/product/qualcomm/sm7350-ab_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified - [Sm8350 Firmware](https://www.precursorintelligence.com/product/qualcomm/sm8350_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified - [Sm8350-Ac Firmware](https://www.precursorintelligence.com/product/qualcomm/sm8350-ac_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified - [Sm8450 Firmware](https://www.precursorintelligence.com/product/qualcomm/sm8450_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified - [Sm8475 Firmware](https://www.precursorintelligence.com/product/qualcomm/sm8475_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified - [Sm8550p Firmware](https://www.precursorintelligence.com/product/qualcomm/sm8550p_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified - [Snapdragon 4 Gen 2 Mobile Platform Firmware](https://www.precursorintelligence.com/product/qualcomm/snapdragon_4_gen_2_mobile_platform_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified - Snapdragon 7c+ Gen 3 Compute Firmware by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified - [Snapdragon 8 Gen 2 Mobile Platform Firmware](https://www.precursorintelligence.com/product/qualcomm/snapdragon_8_gen_2_mobile_platform_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified - Snapdragon 8+ Gen 2 Mobile Platform Firmware by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified - [Snapdragon X65 5g Modem-Rf System Firmware](https://www.precursorintelligence.com/product/qualcomm/snapdragon_x65_5g_modem-rf_system_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified - [Snapdragon X70 Modem-Rf System Firmware](https://www.precursorintelligence.com/product/qualcomm/snapdragon_x70_modem-rf_system_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 - [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 - [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 - [Wcn3988 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcn3988_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified - [Wcn3991 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcn3991_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified - [Wcn3998 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcn3998_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified - [Wcn6740 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcn6740_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified - [Wcn6750 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcn6750_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified - [Wcn685x-1 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcn685x-1_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified - [Wcn685x-5 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcn685x-5_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified - [Wcn785x-1 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcn785x-1_firmware) by [Qualcomm](https://www.precursorintelligence.com/vendors/qualcomm) (Operating system): version not specified - [Wcn785x-5 Firmware](https://www.precursorintelligence.com/product/qualcomm/wcn785x-5_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-2023-33043? 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 - [qualcomm.com](https://www.qualcomm.com/company/product-security/bulletins/december-2023-bulletin) (Vendor advisory) ## Questions ### What is CVE-2023-33043? CVE-2023-33043 is a high-severity flaw in Ar8035 Firmware from Qualcomm, published on 5 December 2023. It can be attacked from anywhere on the internet without logging in, and nobody has to click anything. If it works, the attacker can take it offline. ### How serious is CVE-2023-33043? It scores 7.5 out of 10 on the CVSS severity scale, which is high. Our risk score for CVE-2023-33043 is 46 out of 100, which is Medium. Its action is "Plan remediation". No sign of exploitation and a low forecast. Patch it in your normal update cycle. ### Is CVE-2023-33043 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 0.5%. That can change at any time, which is why we keep watching. ### Which versions does CVE-2023-33043 affect? For Ar8035 Firmware from Qualcomm: version not specified. The record lists 59 products in all, each with its versions, under "Who is affected" on this page. ### How do I fix CVE-2023-33043? 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-2023-33043 affect you? Precursor Intelligence keeps checking for you: - **Tell us what you run.** Pick your software from a list, or let us work it out from your website. - **We match it to every flaw.** Over 400,000 published flaws, checked against your list. - **Ranked by real-world risk.** Every flaw gets a 0 to 100 risk score, kept up to date, led by evidence criminals are using it. - **Told as soon as we know.** An alert by email, in the app or by webhook to your own tools. Start free (no card, nothing to install): https://www.precursorintelligence.com/register Book a demo: https://www.precursorintelligence.com/contact