Format string error in SonicOS - CVE-2025-40600
Published: July 30, 2025
Vulnerability identifier: #VU113510
CSH Severity: Medium
CVSS v4: 8.2 [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]
CVE-ID: CVE-2025-40600
CWE-ID: CWE-134
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
SonicOS
How to mitigate CVE-2025-40600
Install updates from vendor's website.
SonicOS - update to 7.3.0-7012