CVE-2025-13940

MEDIUM

WatchGuard Firebox Boot Time System Integrity Check Bypass

Title source: CVE List
STIX 2.1 vulnerability

Record summary

CVE-2025-13940 has a selected CVSS score of 6.7 (medium).

Description

An Expected Behavior Violation [CWE-440] vulnerability in WatchGuard Fireware OS may allow an attacker to 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. The on-demand system integrity check in the Fireware Web UI will correctly show a failed system integrity check message in the event of a failure.

Description source: CVE List

Exploitation context

CISA SSVC decision

ExploitationNone
AutomatableNo
Technical impactPartial

CISA Coordinator · SSVC 2.0.3 · Evaluated Dec 5, 2025 · Source: CVE List

Affected products and versions

1
ProductSourceVersion range

Fireware OS

Browse WatchGuard / Fireware OS

Default status: unaffected

CVE List2025.1 to < 2025.1.3affected
12.8.1 to < 12.11.5affected

References

3