6.1

CVE-2025-13936: watchguard fireware Cross-site Scripting

CVSS: 6.1v3.1MediumModified
Published 04-12-2025Last modified 10-08-2026
Open JSON

Vulnerability summary

CVE-2025-13936 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in watchguard fireware. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 8.9% 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
0.20%
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. 04-12-2025
    PublishedVulnerability first disclosed.
  2. 10-08-2026
    Last modifiedVulnerability information updated.

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS (Tigerpaw Technology Integration module) allows Stored XSS.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.20%

Chance of exploitation in the next 30 days

Percentile

9%

Versus all other CVEs

30-day change

0.00 pp

From 0.20% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.20%

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≥ 2025.1, < 2025.1.3 | ≥ 12.0.0, < 12.11.5 | ≥ 12.5, < 12.5.14
  • fireware os2025.1 | ≥ 12.0, < 12.11.5 | ≥ 12.0, < 12.5.14

1 vendor · 2 products

References

2 links