Back to overview

CVE-2026-13371

MEDIUM
6.9
CVSS 4.0
Description
An authenticated administrator can trigger a denial-of-service condition in the Fireware Management Web UI by sending malformed or crafted data to the put_data endpoint, which performs unsafe deserialization of the attacker-supplied input.

Metadata

CVE ID
CVE-2026-13371
State
PUBLISHED
Assigner
WatchGuard
Reserved
2026-06-25 19:43 UTC
Published
2026-07-02 23:04 UTC
Last updated
2026-07-02 23:04 UTC
Primary CWE
CWE-502
CWE-502 Deserialization of Untrusted Data
Vendor / Product
WatchGuard / Fireware OS
Sources
cve.org  ·  NVD

Severity & Metrics

6.9 MEDIUM CVSS 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected products (1)
VendorProductPlatformVersions
WatchGuard Fireware OS — 12.0 ≤ 12.12, 12.5 ≤ 12.5.18, 2025.1 ≤ 2026.2
Weakness (CWE)
CWESourceDescription
CWE-502 cna CWE-502 Deserialization of Untrusted Data
CVSS scores (1)
ScoreSeverityVersionSourceVector
6.9 MEDIUM 4.0 cna CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
References (1)
Back to overview