4.9

CVE-2025-53609: fortinet fortiweb Relative Path Traversal

CVSS: 4.9v3.1MediumAnalyzed
Published 09-09-2025Last modified 14-01-2026
Open JSON

Vulnerability summary

CVE-2025-53609 is a medium (CVSS 4.9) Relative Path Traversal vulnerability in fortinet fortiweb. EPSS estimates a 10.65% chance of exploitation in the next 30 days, higher than 95.7% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
4.9/10
010
Medium · v3.1 (NVD)
EPSS score
10.65%
0%100%
Medium · +1.76 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-09-2025
    PublishedVulnerability first disclosed.
  2. 14-01-2026
    Last modifiedVulnerability information updated.

Description

A Relative Path Traversal vulnerability [CWE-23] in FortiWeb 7.6.0 through 7.6.4, 7.4.0 through 7.4.8, 7.2.0 through 7.2.11, 7.0.2 through 7.0.11 may allow an authenticated attacker to perform an arbitrary file read on the underlying system via crafted requests.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

10.65%

Chance of exploitation in the next 30 days

Percentile

96%

Versus all other CVEs

30-day change

+1.76 pp

From 8.89% on 22-09-2026

22-09-202622-10-2026
EPSS score
10.65%

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

Fortinet1 product
  • fortiweb≥ 7.6.0, ≤ 7.6.4 | ≥ 7.4.0, ≤ 7.4.8 | ≥ 7.2.0, ≤ 7.2.11 | ≥ 7.0.2, ≤ 7.0.12 | ≥ 7.0.2, < 7.2.12 | ≥ 7.4.0, < 7.4.9 | ≥ 7.6.0, < 7.6.5

1 vendor · 1 product

References

1 links