Critical Vulnerability in WatchGuard Fireware Operating System
22 December 2025
WatchGuard has released security updates addressing a critical vulnerability in their Fireware operating system. Users and administrators of affected product versions are advised to update to the latest versions immediately.
Background
WatchGuard has released security updates addressing a critical vulnerability (CVE-2025-14733) in their Fireware operating system (OS). The vulnerability has a Common Vulnerability Scoring System (CVSS v3.1) score of 9.8 out of 10.
Impact
Successful exploitation of the vulnerability could allow an unauthenticated attacker to conduct remote code execution.
Known Exploitation
This vulnerability is reportedly being exploited.
Affected Products
The vulnerability affects the following:
Fireware OS versions from 11.10.2 to 11.12.4_Update1
Fireware OS versions from 12.0 to 12.11.5
Fireware OS versions from 2025.1 to 2025.1.3
Recommendations
Users and administrators of affected product versions are advised to update to the latest versions immediately.
References
https://nvd.nist.gov/vuln/detail/CVE-2025-14733
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00027
