CVE-2026-3342

HIGH

7.2

Description

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS may allow an authenticated privileged administrator to execute arbitrary code with root permissions via an exposed management interface. This vulnerability affects Fireware OS 11.9 up to and including 11.12.4_Update1, 12.0 up to and including 12.11.7 and 2025.1 up to and including 2026.1.1.

CVE Details

CVSS v3.1 Score7.2

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredHIGH

User InteractionNONE

Published3/3/2026

Last Modified3/4/2026

Sourcenvd

Honeypot Sightings0

Affected Products

watchguard:firebox_m270watchguard:firebox_m290watchguard:firebox_m295watchguard:firebox_m370watchguard:firebox_m390watchguard:firebox_m395watchguard:firebox_m440watchguard:firebox_m4600watchguard:firebox_m470watchguard:firebox_m4800watchguard:firebox_m495watchguard:firebox_m5600watchguard:firebox_m570watchguard:firebox_m5800watchguard:firebox_m590watchguard:firebox_m595watchguard:firebox_m670watchguard:firebox_m690watchguard:firebox_m695watchguard:firebox_nv5watchguard:firebox_t115-wwatchguard:firebox_t125watchguard:firebox_t125-wwatchguard:firebox_t145watchguard:firebox_t145-wwatchguard:firebox_t15watchguard:firebox_t185watchguard:firebox_t20watchguard:firebox_t25watchguard:firebox_t35watchguard:firebox_t40watchguard:firebox_t45watchguard:firebox_t55watchguard:firebox_t70watchguard:firebox_t80watchguard:firebox_t85watchguard:fireboxcloudwatchguard:fireboxvwatchguard:fireware

Weaknesses (CWE)

CWE-787

References

https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00003(5d1c2695-1a31-4499-88ae-e847036fd7e3)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.