Is CVE-2025-0178 in the CISA KEV catalog?

No. CVE-2025-0178 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-0178?

CVE-2025-0178 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2025-0178?

CVE-2025-0178 has an EPSS score of 0.21% (12th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-0178?

Upgrade fireware to 12.11.1 or later.

CVE & CISA-KEV Catalog

CVE-2025-0178

MEDIUM

6.1

CVSS v3

NVD

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.

CWE-20Improper Input Validation

How to fix

Remediation Available

firewareNVD

Affected:>= 12.0.0, < 12.11.1Fixed in:12.11.1CVE-2025-0178derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.21%probability of exploitation in 30 days

12thpercentile

Low risk: more likely to be exploited than 12% of all known CVEs.

References

Vendor Advisory1

watchguard.com

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-03-02.