CVE-2026-13384

UNKNOWN 0.0

WatchGuard Firebox wgagent Out of Bounds Write Vulnerability

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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

CWE	CWE-787
Vendor	watchguard
Product	fireware os
Published	Jul 2, 2026
Last Updated	Aug 10, 2026

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Affected Versions

WatchGuard / Fireware OS

2025.1 < 2026.2.1 12.1 < 12.12.1

WatchGuard / Fireware OS

12.1 < 12.5.19

References

NVD ↗ CVE.org ↗ EPSS Data ↗

psirt.watchguard.com: https://psirt.watchguard.com/CVE-2026-13384 watchguard.com: https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00021

Credits

Cody Sixteen