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CVE PROGRAM SOURCE RECORD7.1 High

CVE-2026-18105

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

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Status
Published
Published
Updated
Assigning organization
WatchGuard

Description

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

WatchGuard Fireware OS

Default version status: unaffected

  • 2026.3 to < 2026.3.2affected
  • 2025.0 to < 2026.2.3affected
  • 12.0 to < 12.12.3affected

WatchGuard Fireware OS

Default version status: unaffected

  • 12.0 to < 12.5.21affected

References