Medium [CVE-2025-0178] WatchGaurd Firebox Host Header Injection Vulnerability
This medium-severity WatchGuard advisory covers CVE-2025-0178 affecting Fireware OS.
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Summary
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.
- Fireware OS 12.0 before 12.11.1
- Fireware OS 12.0 before 12.5.13
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- 12.11.1
- 12.5.13
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation
Upgrade to a fixed release: 12.11.1, 12.5.13. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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