Expected behavior violation in Fireware OS - CVE-2025-13940
Published: December 8, 2025
Vulnerability identifier: #VU119373
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-13940
CWE-ID: CWE-440
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: WatchGuard
Affected software:
Fireware OS
Fireware OS
Detailed vulnerability description
The vulnerability allows a local user to bypass implemented security restrictions.
The vulnerability exists due to violation of expected behavior. A local user can bypass the Fireware OS boot time system integrity check and prevent the Firebox from shutting down in the event of a system integrity check failure.
How to mitigate CVE-2025-13940
Install updates from vendor's website.