CVE-2025-53609

Name: CVE-2025-53609
Creator: NVD / NIST
Published: 2025-09-09T14:15:46.363+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.9/10EPSS 8.37%

Last modified Jun 17, 2026

CVE-2025-53609 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. 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.. EPSS estimates a 8.37% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.9/10

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

EPSS Probability

8.37%

94.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-23

Affected Software

Vendor	Product	Versions
Fortinet	Fortiweb	>= 7.0.2, < 7.2.12
Fortinet	Fortiweb	>= 7.4.0, < 7.4.9
Fortinet	Fortiweb	>= 7.6.0, < 7.6.5

References

https://fortiguard.fortinet.com/psirt/FG-IR-25-512Vendor Advisory

Timeline

Published: Sep 9, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-53609?

How severe is CVE-2025-53609?

CVE-2025-53609 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 8.37% probability of exploitation in the next 30 days.

How do I fix CVE-2025-53609?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-53609?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST