# SonicOS vulnerabilities

> SonicOS is made by SonicWall. We track 59 published vulnerabilities listed under that exact name, across 117 versions. 3 of them are on the list of flaws known to be exploited, the newest added on 18 February 2025. SonicWall lists newer releases under their own names, such as Sonicos Enhanced, so check those pages too.

Canonical page: https://www.precursorintelligence.com/product/sonicwall/sonicos

## At a glance

- **Made by:** [SonicWall](https://www.precursorintelligence.com/vendors/sonicwall)
- **Published vulnerabilities:** 59
- **Known to be exploited:** 3 (listed under the name SonicOS)
- **Versions tracked:** 117
- **Most recently added to the known-exploited list:** [CVE-2024-53704](https://www.precursorintelligence.com/what-is/cve-2024-53704), 18 February 2025. We keep watching the list.

## Is SonicOS listed under other names?

SonicWall also lists SonicOS under more specific names, such as Sonicos Enhanced and Sonicos Sslvpn Nacagent. Flaws listed only under those names are counted on their own pages, not here.

- [Sonicos Enhanced](https://www.precursorintelligence.com/product/sonicwall/sonicos_enhanced): 1 published vulnerability
- [Sonicos Sslvpn Nacagent](https://www.precursorintelligence.com/product/sonicwall/sonicos_sslvpn_nacagent): 1 published vulnerability

## Which versions of SonicOS do the exploited flaws hit?

Each exploited flaw lists the versions it affects, as published. "before 5.9.2.14-13o" means every version up to, but not including, 5.9.2.14-13o.

- [CVE-2024-53704](https://www.precursorintelligence.com/what-is/cve-2024-53704) (SonicWall SonicOS SSLVPN Improper Authentication Vulnerability): 7.1.1-7040 to 7.1.1-7058, 7.1.2-7019, 8.0.0-8035
- [CVE-2024-40766](https://www.precursorintelligence.com/what-is/cve-2024-40766) (SonicWall SonicOS Improper Access Control Vulnerability): before 5.9.2.14-13o, before 6.5.2.8-2n, before 6.5.4.15.116n, up to 7.0.1-5035
- [CVE-2020-5135](https://www.precursorintelligence.com/what-is/cve-2020-5135) (SonicWall SonicOS Buffer Overflow Vulnerability): up to 6.0.5.3, 6.5.0.0 to 6.5.1.11, 6.5.4.0 to 6.5.4.7, 7.0.0.0

## Which SonicOS vulnerabilities are being exploited?

3 flaws are on the government list of vulnerabilities known to be exploited, newest first:

- [CVE-2024-53704](https://www.precursorintelligence.com/what-is/cve-2024-53704): SonicWall SonicOS SSLVPN Improper Authentication Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 95%, known exploited since 18 February 2025.
- [CVE-2024-40766](https://www.precursorintelligence.com/what-is/cve-2024-40766): SonicWall SonicOS Improper Access Control Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 18%, known exploited since 9 September 2024.
- [CVE-2020-5135](https://www.precursorintelligence.com/what-is/cve-2020-5135): SonicWall SonicOS Buffer Overflow Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 27%, known exploited since 15 March 2022.

## Which SonicOS flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast (the chance each flaw is used in an attack in the next 30 days):

- [CVE-2024-53704](https://www.precursorintelligence.com/what-is/cve-2024-53704): 95%, Critical (CVSS 9.8), known exploited
- [CVE-2019-12257](https://www.precursorintelligence.com/what-is/cve-2019-12257): 84%, High (CVSS 8.8)
- [CVE-2022-22274](https://www.precursorintelligence.com/what-is/cve-2022-22274): 76%, Critical (CVSS 9.8)
- [CVE-2019-12255](https://www.precursorintelligence.com/what-is/cve-2019-12255): 75%, Critical (CVSS 9.8)
- [CVE-2021-3449](https://www.precursorintelligence.com/what-is/cve-2021-3449): 64%, Medium (CVSS 5.9)
- [CVE-2019-12265](https://www.precursorintelligence.com/what-is/cve-2019-12265): 60%, Medium (CVSS 5.3)
- [CVE-2023-0656](https://www.precursorintelligence.com/what-is/cve-2023-0656): 41%, High (CVSS 7.5)
- [CVE-2020-5135](https://www.precursorintelligence.com/what-is/cve-2020-5135): 27%, Critical (CVSS 9.8), known exploited
- [CVE-2019-12256](https://www.precursorintelligence.com/what-is/cve-2019-12256): 27%, Critical (CVSS 9.8)
- [CVE-2019-12260](https://www.precursorintelligence.com/what-is/cve-2019-12260): 23%, Critical (CVSS 9.8)

## Questions

### How many vulnerabilities does SonicOS have?

We track 59 published vulnerabilities listed under the name SonicOS, across 117 versions. The most recent SonicOS flaw added to the known-exploited list is CVE-2024-53704, on 18 February 2025.

### Which SonicOS vulnerabilities are being exploited?

3 are on the list of flaws known to be exploited. The most recently added are CVE-2024-53704, CVE-2024-40766 and CVE-2020-5135.

### Why are newer SonicOS flaws missing from this page?

SonicWall also lists SonicOS under more specific names, such as Sonicos Enhanced and Sonicos Sslvpn Nacagent. Flaws listed only under those names are counted on their own pages, not here. Open the release you run to see its own list.

### Which versions of SonicOS do the exploited flaws affect?

Each flaw names its own versions, usually as ranges. The newest, CVE-2024-53704, affects 7.1.1-7040 to 7.1.1-7058, 7.1.2-7019, 8.0.0-8035. The versions for every exploited flaw are listed on this page.

### How do I get alerts for SonicOS?

Create a Precursor Intelligence account and track SonicOS. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.

## Running SonicOS?

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
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