CVE-2025-4106

WatchGuard Firebox leftover debug code vulnerability

CVSS 8.9 HIGHEPSS 0.3%CWE-489

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.9EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

24 Oct 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

WatchGuard · Fireware OS

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References

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