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OpenAdvisories
High · 8.6 CVE-2026-13053 EUVD-2026-41463GHSA-mh9h-xjv7-9f27

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

Published Jul 2, 2026 · Updated Aug 27, 2026 · Assigned by WatchGuard

Description

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.

Affected products

VendorProductAffectedFixed
WatchGuard Fireware OS 2025.1 – < 2026.2.1, 12.0 – < 12.12.1, 11.0, 12.0 – < 12.11.9, 12.0 – < 12.5.19 2026.2.1

Advisories 1

References