Unrated severityNVD Advisory· Published Dec 4, 2025· Updated Feb 26, 2026
WatchGuard Firebox Authenticated Out of Bounds Write in certd
CVE-2025-12026
Description
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS’s certificate request command could allow an authenticated privileged user to execute arbitrary code via specially crafted CLI commands.This vulnerability affects Fireware OS 12.0 up to and including 12.11.4, 12.5 up to and including 12.5.13, and 2025.1 up to and including 2025.1.2.
Affected products
2- Range: >= 12.0 <= 12.11.4, >= 12.5 <= 12.5.13, >= 2025.1 <= 2025.1.2
- WatchGuard/Fireware OSv5Range: 12.0
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1News mentions
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