CISA Flags Actively Exploited WatchGuard Firewall Zero-Day: What Builders and Defenders Must Do Now
A critical WatchGuard Firebox vulnerability (CVE-2025-9242) is under active exploitation, prompting CISA to impose a rapid patch deadline on U.S. federal agencies. With tens of thousands of exposed devices still online and firewalls now prime initial-access real estate, this bug is a test of whether enterprises have truly learned anything from the last decade of perimeter failures.