🔐 CVE Alert

CVE-2026-13053

UNKNOWN 0.0

WatchGuard Firebox Authenticated Out of Bounds Write in Management CLI Command Handler

CVSS Score
0.0
EPSS Score
0.6%
EPSS Percentile
45th

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS's CLI could allow an authenticated privileged user to execute arbitrary code via a specially crafted CLI command.

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 12.0 < 12.12.1 11.0 < *
WatchGuard / Fireware OS
12.0 < 12.5.19

References

NVD ↗ CVE.org ↗ EPSS Data ↗
psirt.watchguard.com: https://psirt.watchguard.com/CVE-2026-13053 watchguard.com: https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00030

Credits

Nicholas Zubrisky (@NZubrisky) of TrendAI Research