CVE-2026-78010 — Fireware OS Stack-Based Buffer Overflow in iked Allows Unauthenticated Denial of Service

CVE-2026-78010

Fireware OS Stack-Based Buffer Overflow in iked Allows Unauthenticated Denial of Service PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
WatchGuard / Fireware OS	affected 2025.0 before 2026.2.2; affected 12.0 before 12.12.2; affected 2026.3 before 2026.3.1
WatchGuard / Fireware OS	affected 12.0 before 12.5.20

CWE

CWE-121, CWE-1284, CWE-787

References

https://psirt.watchguard.com/CVE-2026-78010

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.