CVE-2025-4106

WatchGuard Firebox leftover debug code vulnerability

Published Oct 24, 2025 CVSS 4.0 · 8.9 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Fireware OS 12.11.3, Fireware OS 12.5.13

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
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. This issue affects Fireware OS: from 12.0 before 12.11.2. 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.
First Time appeared Watchguard fireware Os
CPEs cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:*
Vendors & Products Watchguard fireware Os
References
Type Values Removed Values Added
First Time appeared Watchguard
Watchguard fireware
Vendors & Products Watchguard
Watchguard fireware
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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. This issue affects Fireware OS: from 12.0 before 12.11.2.
Title WatchGuard Firebox leftover debug code vulnerability
Weaknesses CWE-489
References
Metrics cvssV4_0

{'score': 8.9, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
WatchGuard
Published
Updated
Aug 8, 2026, 2:31 AM
Reserved
Apr 30, 2025, 12:34 AM
Status
Deferred
Published
Oct 24, 2025, 10:15 PM
Modified
Oct 8, 2026, 11:10 AM