CVE-2025-0178

MEDIUM
Published Feb 14, 2025 Modified Mar 2, 2026 CWE-20

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.

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CVSS v3.1 Score

6.1
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-20 Improper Input Validation

Affected Products

Vendor Product
watchguard fireware
watchguard firebox_t15
watchguard firebox_t35
watchguard fireware
watchguard firebox_m270
watchguard firebox_m290
watchguard firebox_m370
watchguard firebox_m390
watchguard firebox_m440
watchguard firebox_m4600
watchguard firebox_m470
watchguard firebox_m4800
watchguard firebox_m5600
watchguard firebox_m570
watchguard firebox_m5800
watchguard firebox_m590
watchguard firebox_m670
watchguard firebox_m690
watchguard firebox_nv5
watchguard firebox_t20
watchguard firebox_t25
watchguard firebox_t40
watchguard firebox_t45
watchguard firebox_t55
watchguard firebox_t70
watchguard firebox_t80
watchguard firebox_t85
watchguard fireboxcloud
watchguard fireboxv

References

Frequently Asked Questions

What is CVE-2025-0178? +
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. It has a CVSS v3.1 base score of 6.1 (MEDIUM).
How severe is CVE-2025-0178? +
CVE-2025-0178 has a CVSS v3.1 score of 6.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2025-0178? +
CVE-2025-0178 affects products from watchguard, specifically: firebox_m270, firebox_m290, firebox_m370, firebox_m390, firebox_m440, firebox_m4600, firebox_m470, firebox_m4800, firebox_m5600, firebox_m570, firebox_m5800, firebox_m590, firebox_m670, firebox_m690, firebox_nv5, firebox_t15, firebox_t20, firebox_t25, firebox_t35, firebox_t40, firebox_t45, firebox_t55, firebox_t70, firebox_t80, firebox_t85, fireboxcloud, fireboxv, fireware. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-0178? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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