CVE-2025-4106

WatchGuard Firebox leftover debug code vulnerability

State: Published
Severity: 8.9 High
Published: Oct 24, 2025
Updated: Aug 8, 2026
Reserved: Apr 30, 2025

Description

An authenticated admin user with access to both the management WebUI and command line interface on a Firebox can enable a diagnostic debug shell by uploading a platform and version-specific diagnostic package and executing a leftover diagnostic command.

Scores

CVSS	Score	Vector	Source
4.0	8.9 High	CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H	WatchGuard

Weaknesses

CWE-489

Affected Products

Product	Versions
Fireware OSWatchGuard	12.0 to before 12.11.3Affected
Fireware OSWatchGuard	12.0 to before 12.5.13Affected

References

https://psirt.watchguard.com/CVE-2025-4106vendor-advisory
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00010vendor-advisory

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