Path Traversal in Fortinet Fortiweb

CVE-2025-53609

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.093 (95.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-53609: held from 0.089 to 0.093.

EPSS over last 30 days · oldest: 0.089 · newest: 0.093 · change: +0.004

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-53609?
CVE-2025-53609 is a medium-severity vulnerability in Fortinet Fortiweb, classified under Relative Path Traversal. CVSS score: 4.9/10. Published 2025-09-09.
How severe is CVE-2025-53609?
Medium severity. CVSS v3 base score is 4.9 out of 10.
Is CVE-2025-53609 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.