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CVE-2026-13050

WatchGuard Firebox networkd Out of Bounds Write Vulnerability

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 2026.2.1, 12.12.1, 12.11.9, 12.5.19
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS networkd process could allow an authenticated privileged user to execute arbitrary code via a specially crafted requests to the Management Web UI.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • WatchGuard Fireware OS

    From 2025.1 · fixed in 2026.2.1; From 12.0 · fixed in 12.12.1; From 11.8

  • WatchGuard Fireware OS

    From 12.0 · fixed in 12.11.9

  • WatchGuard Fireware OS

    From 12.0 · fixed in 12.5.19

References 2

psirt.watchguard.com

watchguard.com