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CVE PROGRAM SOURCE RECORD8.6 High

CVE-2026-90442

Fireware OS Authenticated Stack Buffer Overflow in certd Allows Denial of Service

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Status
Published
Published
Updated
Assigning organization
WatchGuard

Description

A stack-based buffer overflow vulnerability in the Fireware OS certd process allows an authenticated attacker with access to the Firebox management interface to crash the certificate management service and potentially execute arbitrary code by sending a specially crafted request.

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

  • 2025.1 to < 2026.4affected
  • 12.0 to < 12.12.4affected

WatchGuard Fireware OS

Default version status: unaffected

  • 12.0 to < 12.5.22affected

References