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NVD Vulnerability Details :

CVE-2026-3342

Awaiting Analysis

Source-5d1c2695-1a31-4499-88ae-e847036fd7e3

Published At-03 Mar, 2026 | 14:15

Updated At-03 Mar, 2026 | 21:52

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.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	4.0	8.6	HIGH	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Type: Secondary

Version: 4.0

Base score: 8.6

Base severity: HIGH

Vector:

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE ID	Type	Source
CWE-787	Secondary	5d1c2695-1a31-4499-88ae-e847036fd7e3

CWE ID: CWE-787

Type: Secondary

Source: 5d1c2695-1a31-4499-88ae-e847036fd7e3

References

Hyperlink	Source	Resource
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-0003	5d1c2695-1a31-4499-88ae-e847036fd7e3	N/A

Hyperlink: https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-0003

Source: 5d1c2695-1a31-4499-88ae-e847036fd7e3

Resource: N/A

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References

Change History