Watchguard · Fireware Os · CVE-2026-19313
**Name of the Vulnerable Software and Affected Versions**
WatchGuard Fireware OS (affected versions not specified)
**Description**
A heap overflow in the `iked` process allows a remote unauthenticated attacker to execute arbitrary code by sending specially crafted network traffic. A heap overflow occurs when a program writes more data to a heap-allocated memory block than it can hold, potentially corrupting memory and allowing for code execution.
**Recommendations**
Update the firewall to the latest patched version.