Security Advisory Detail

WatchGuard Firebox Leftover Debug Code Vulnerability

Advisory ID
WGSA-2025-00010
CVE
CVE-2025-4106
Impact
High
Status
Resolved
Product Family
Firebox
Published Date
Updated Date
Workaround Available
False
CVSS Score
8.9
CVSS 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
Summary

Updated September 17 2025: Updated to add Fireware OS 12.5.13 as a resolved release
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.

Affected

This issue affects Fireware OS: from 12.0 up to and including 12.11.2.

Resolution
Vulnerable Version Resolved Version
12.x 12.11.3
12.5.x (T15 & T35 models) 12.5.13
Advisory Product List
Product Family Product Branch Product List
Firebox
Fireware OS 12.5.x T15, T35
Firebox
Fireware OS 12.x T20, T25, T40, T45, T55, T70, T80, T85, M270, M290, M370, M390, M470, M570, M590, M670, M690, M440, M4600, M4800, M5600, M5800, Firebox Cloud, Firebox NV5, FireboxV