WatchGuard Under Siege: Critical CVSS 9.3 Zero-Day Exploited in the Wild to Hijack Corporate Firewalls Vulnerability Report WatchGuard Under Siege: Critical CVSS 9.3 Zero-Day Exploited in the Wild to Hijack Corporate Firewalls Do Son December 19, 2025 0 A critical zero-day vulnerability has shattered the security perimeter of WatchGuard Firebox appliances, forcing network administrators into... Read More Read more about WatchGuard Under Siege: Critical CVSS 9.3 Zero-Day Exploited in the Wild to Hijack Corporate Firewalls