CVE-2026-78008 — Fireware OS Authenticated Buffer Overflow in wgagent

CVE-2026-78008

Fireware OS Authenticated Buffer Overflow in wgagent PUBLISHED

Description (CNA)

A buffer overflow vulnerability in the WatchGuard Fireware OS Management Web UI allows an authenticated administrator with network access to cause a denial of service (DoS) condition or potentially execute arbitrary code 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-787

References

https://psirt.watchguard.com/CVE-2026-78008

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.