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OpenAdvisories
High · 8.9 CVE-2025-4106 EUVD-2025-35898GHSA-23g2-f757-4428

WatchGuard Firebox leftover debug code vulnerability

Published Oct 24, 2025 · Updated Aug 8, 2026 · Assigned by WatchGuard

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.

Affected products

VendorProductAffectedFixed
WatchGuard Fireware OS 12.0 – < 12.11.3, 12.0 – < 12.5.13 12.11.3

Advisories 1

References