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CVE-2026-13722

HIGH
8.6
CVSS 4.0
Description
WatchGuard Fireware OS contains a firmware validation bypass when processing a backup image via the backup/restore feature. An authenticated administrator can exploit this vulnerability to install a tampered firmware image.This vulnerability affects Fireware OS 11.0 up to and including 11.12.4_Update1, 12.0 up to and including 12.12 and 2025.1 up to and including 2025.6.2.

Metadata

CVE ID
CVE-2026-13722
State
PUBLISHED
Assigner
WatchGuard
Reserved
2026-06-29 14:21 UTC
Published
2026-07-02 23:06 UTC
Last updated
2026-07-02 23:06 UTC
Primary CWE
CWE-347
CWE-347 Improper Verification of Cryptographic Signature
Vendor / Product
WatchGuard / Fireware OS
Sources
cve.org  ·  NVD

Severity & Metrics

8.6 HIGH CVSS 4.0
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
Affected products (1)
VendorProductPlatformVersions
WatchGuard Fireware OS 11 11.0 ≤ 11.12.4+541730, 12.0 ≤ 12.12, 12.5 ≤ 12.5.18, 2025.1 ≤ 2026.2
Weakness (CWE)
CWESourceDescription
CWE-347 cna CWE-347 Improper Verification of Cryptographic Signature
CVSS scores (1)
ScoreSeverityVersionSourceVector
8.6 HIGH 4.0 cna 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
References (1)
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