Serial number: AV25-850
Date: December 19, 2025
On December 18, 2025, WatchGuard published a security advisory to address a critical vulnerability in the following product. Included was an update for the following:
- Fireware OS – versions prior to 2025.1.4
- Fireware OS – versions prior to 12.11.6
- Fireware OS – versions prior to 12.5.15
- Fireware OS – versions prior to 12.3.1_Update4 (FIPS) (B728352)
Update 1
On December 19, 2025, Cybersecurity and Infrastructure Security Agency (CISA) added CVE-2025-14733 to their Known Exploited Vulnerabilities (KEV) Database.
The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates.