CVE-2026-81851

Name of the Vulnerable Software and Affected Versions Fireware OS (affected versions not specified)

Description A heap-based buffer overflow in the iked process allows an authenticated administrator to cause a denial of service by crashing the IKE daemon (iked) through the saving of a specially crafted configuration. A heap-based buffer overflow occurs when a program writes more data to a heap memory block than it can hold, potentially corrupting adjacent memory.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.