SonicWall SonicOS known exploited vulnerabilities
We track 3 CVEs in SonicWall SonicOS. All of them are on CISA's Known Exploited Vulnerabilities catalog, meaning CISA has evidence of exploitation in the wild (listed 2022–2025). CISA flags 3 of them as used in ransomware campaigns. The most recent is CVE-2024-53704, added to KEV on .
- CVEs tracked
- 3
- On CISA KEV
- 3
- Ransomware use
- 3
- Rated critical
- 3
Every SonicWall SonicOS CVE we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV | Patch by |
|---|---|---|---|---|---|
| CVE-2024-53704 SonicWall SonicOS SSLVPN Improper Authentication Vulnerabilityransomware use | [ CRITICAL ] | 9.8 | 95.3% | ||
| CVE-2024-40766 SonicWall SonicOS Improper Access Control Vulnerabilityransomware use | [ CRITICAL ] | 9.8 | 18.4% | ||
| CVE-2020-5135 SonicWall SonicOS Buffer Overflow Vulnerabilityransomware use | [ CRITICAL ] | 9.8 | 26.9% |
Sorted by date added to KEV. Severity and CVSS as stated by NVD or the vendor; EPSS from FIRST.org. "Patch by" is CISA's BOD 22-01 deadline for US federal agencies, a useful priority signal for everyone else. Machine-readable: /api/v1/vendors/sonicwall.json.
Other SonicWall products
Every row links to its CVE record with the CISA required action, catalog coverage and primary sources. We describe impact and remediation only; no exploit code. See the full KEV tracker or compare KEV catalogs.