VULNERABILITY INTELLIGENCE

CVE-2026-8247

CVSS score8.8 HIGH
EPSS probability0.38%
CISA KEVNot currently listed
Published2026-07-03
Last modified2026-10-25
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS may allow an unauthenticated attacker on the same local network segment to execute arbitrary code. This vulnerability affects Fireware OS 11.0 up to and including 11.12.4_Update1, 12.0 up to and including 12.12 and 2025.1 up to and including 2026.2.

Weakness classification

  • 5d1c2695-1a31-4499-88ae-e847036fd7e3: CWE-120
  • nvd@nist.gov: CWE-787

Primary references