CVE-2026-19315

A type confusion vulnerability in the iked process of WatchGuard Fireware OS allows a remote unauthenticated attacker to execute arbitrary code by sending specially crafted network traffic.

  • Published Aug 28, 2026
  • CVSS 9.3 critical
  • 0.5% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-19315 at the National Vulnerability Database