CVE-2026-18105 — Fireware OS Uncontrolled Resource Consumption in Diagnostic Tasks Allows Denial of Service

CVE-2026-18105

Fireware OS Uncontrolled Resource Consumption in Diagnostic Tasks Allows Denial of Service PUBLISHED

Description (CNA)

An uncontrolled resource consumption vulnerability in Fireware OS's diagnostic tasks feature allows a low-privileged, authenticated user to cause a denial of service of the system's diagnostic tools by repeatedly starting and aborting a specially crafted diagnostic task through the web UI.

Affected (CNA)

Vendor / product	Versions
WatchGuard / Fireware OS	affected 2026.3 before 2026.3.2; affected 2025.0 before 2026.2.3; affected 12.0 before 12.12.3
WatchGuard / Fireware OS	affected 12.0 before 12.5.21

CWE

CWE-400, CWE-770

References

https://psirt.watchguard.com/CVE-2026-18105

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.