Description
Improper Input Validation vulnerability in WatchGuard Fireware OS allows an attacker to manipulate the value of the HTTP Host header in requests sent to the Web UI. An attacker could exploit this vulnerability to redirect users to malicious websites, poison the web cache, or inject malicious JavaScript into responses sent by the Web UI. This issue affects Fireware OS: from 12.0 up to and including 12.11.
References (1)
Core 1
Core References
Vendor Advisory
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00003
Scores
CVSS v3
6.1
EPSS
0.0022
EPSS Percentile
11.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-20
Status
published
Products (1)
watchguard/fireware
12.5 - 12.5.13
Published
Feb 14, 2025
Tracked Since
Feb 18, 2026