Vulnerabilities CVE-2025-13940

CVE-2025-13940

Medium

Open

TLP:CLEAR

WatchGuard Firebox Boot Time System Integrity Check Bypass

NVD CVE.org

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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.

Details

CVSS Score: 6.7
EPSS Score ⓘ: 0.12%

2.1th percentile
CVSS Vector: 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
Confidence: 90%
Published: Dec 4, 2025
Last Modified: Aug 10, 2026

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