WatchGuard security advisory (AV25-677) – Update 1

Serial number: AV25-677
Date: October 16, 2025
Updated: November 10, 2025

On September 17, 2025, WatchGuard published a security advisory to address a vulnerability in the following product:

  • Fireware OS – version 11.10.2 to 11.12.4_Update1, version 12.0 to 12.11.3, and version 2025.1.

Update 1

WatchGuard has advised that vulnerability CVE-2025-9242 is under active exploitation.

The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates.

Date modified: