CVE-2025-0178

WatchGaurd Firebox Host Header Injection Vulnerability

State: Published
Severity: 5.1 Medium
Published: Feb 14, 2025
Updated: Aug 8, 2026
Reserved: Jan 2, 2025

Description

An Improper Input Validation vulnerability in WatchGuard Fireware OS allows an attacker with network access 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.

Scores

CVSS	Score	Vector	Source
4.0	5.1 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:L/SI:L/SA:L	WatchGuard

Weaknesses

CWE-20

Affected Products

Product	Versions
Fireware OSWatchGuard	12.0 to before 12.11.1Affected
Fireware OSWatchGuard	12.0 to before 12.5.13Affected

References

https://psirt.watchguard.com/CVE-2025-0178vendor-advisory
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00003vendor-advisory

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