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CVE PROGRAM SOURCE RECORD9.3 Critical

CVE-2026-19318

Fireware OS Pre-Authentication Stack Buffer Overflow in iked Allows Remote Code Execution

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Status
Published
Published
Updated
Assigning organization
WatchGuard

Description

A stack-based buffer overflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to execute arbitrary code by sending specially crafted network traffic.

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

  • 2025.0 to < 2026.2.2affected
  • 12.0 to < 12.12.2affected

WatchGuard Fireware OS

Default version status: unaffected

  • 12.0 to < 12.5.20affected
  • 2026.3 to < 2026.3.1affected

References