CVE-2026-18105

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.

Score

CVSS 4.0 7.1 High

Status

Analyzed - 5d1c2695-1a31-4499-88ae-e847036fd7e3

Published

2026-09-29

Last modified

2026-10-08

Weaknesses

CWE-400, CWE-770

Affected products

• Fireware (Watchguard)
• Fireware Os (Watchguard)

References

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