Over 125,000 Internet-Exposed WatchGuard Firebox IPs at Risk of Remote Code Execution Attacks
A critical security vulnerability in WatchGuard Firebox devices has left approximately 125,000 internet-exposed systems susceptible to unauthenticated remote code execution attacks. The Shadowserver Foundation identified 124,847 vulnerable IP addresses during scanning operations conducted on December 20, 2025. Shadowserver’s scanning infrastructure detected vulnerable devices across multiple geographic regions, with concentrations in North America, Europe, and Asia-Pacific. Security teams can access detailed vulnerability statistics through Shadowserver’s interactive dashboard, which provides real-time tracking of exposed devices.









