CVE-2025-13940

published 2025-12-04

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…

Priority P4 27 medium 5.5 CVSS 3.1

AV L AC L PR L UI N S U C N I H A N

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.This issue affects Fireware OS: from 12.8.1 through 12.11.4, from 2025.1 through 2025.1.2.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
watchguard	fireware	>= 12.8.1 < 12.11.5	12.11.5
watchguard	fireware	>= 2025.1 < 2025.1.3	2025.1.3
watchguard	fireware_os	12.8.1 – 12.11.4	—
watchguard	fireware_os	2025.1 – 2025.1.2	—

CVSS provenance

nvd v3.1 5.5 MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

nvd v4.0 6.7 MEDIUM CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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CWE-440