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Servers and applications

CVE-2025-13940

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…

Severity
Medium 6.7
Published
4 Dec 2025
Last changed
25 Sept 2026
Added to UpHeron
3 Nov 2026
Fixed in
12.11.5, 2025.1.3
Sources
NVD

Affected software

SoftwareAffected versions
WatchGuard Fireware OSServers and applications · cpe:o:watchguard:fireware
  • From 12.8.1 before 12.11.5
  • From 2025.1 before 2025.1.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-13940
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-13940