Format string error in SonicOS - CVE-2025-40600
Published: July 30, 2025
Vulnerability identifier: #VU113510
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-40600
CWE-ID: CWE-134
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: SonicWall
Affected software:
SonicOS
SonicOS
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a format string error in the SonicOS SSL VPN interface. A remote attacker can supply a specially crafted input that contains format string specifiers and perform a denial of service (DoS) attack.
How to mitigate CVE-2025-40600
Install updates from vendor's website.