CVE-2025-0178

5.1 mediumEPSS 0.2%

Medium (5.1) in watchguard fireware. EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 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

CVSS 3.1

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 14% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2025-02-14
Modified: 2026-08-08
Record from: the NVD, synced 2026-10-19

Affected

watchguard:fireware

References

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

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