6.1

CVE-2025-0178: watchguard fireware Improper Input Validation

CVSS: 6.1v3.1MediumModified
Published 14-02-2025Last modified 08-08-2026

Vulnerability summary

CVE-2025-0178 is a medium (CVSS 6.1) Improper Input Validation vulnerability in watchguard fireware. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 13.8% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (NVD)
EPSS score
0.24%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 14-02-2025
    PublishedVulnerability first disclosed.
  2. 08-08-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

14%

Versus all other CVEs

30-day change

0.00 pp

From 0.24% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.24%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Watchguard2 products
  • fireware≥ 12.0.0, < 12.11.1 | ≥ 12.5, < 12.5.13
  • fireware os≥ 12.0, < 12.11.1 | ≥ 12.0, < 12.5.13

1 vendor · 2 products

References

2 links