Buffer overflow in Watchguard Fireware OS
CVE-2026-81851
A heap-based buffer overflow vulnerability in Fireware OS's iked process allows an authenticated administrator to crash the IKE daemon (iked), resulting in a denial of service, by saving a specially crafted configuration.
Vulnerability class: Buffer Overflow
Affected products
Weakness classification (CWE)
References
- 5d1c2695-1a31-4499-88ae-e847036fd7e3 (vendor-advisory)