Buffer overflow in Watchguard Fireware OS

CVE-2026-78010

A stack-based buffer overflow vulnerability in the WatchGuard Fireware OS iked process iallows a remote unauthenticated attacker to create a Denial of Service (DoS) condition in VPN processing by sending specially crafted network traffic.

Vulnerability class: Buffer Overflow

Affected products

Weakness classification (CWE)

References