vulnerability
SonicWall SonicOS: CVE-2025-40600: SonicOS Use of Externally-Controlled Format String Vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:N/I:N/A:C) | Jul 29, 2025 | May 21, 2026 | May 21, 2026 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:C)
Published
Jul 29, 2025
Added
May 21, 2026
Modified
May 21, 2026
Description
Use of Externally-Controlled Format String vulnerability in the SonicOS SSL VPN interface allows a remote unauthenticated attacker to cause service disruption. SonicWall strongly advises users of the SonicWall firewall products to upgrade to the mentioned fixed release version to address this vulnerability.
Solution
sonicwall-sonicos-gen7-upgrade-730-7012
Rapid7 Labs
2026 Global Threat Landscape Report
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