CVE-2025-53845

Name: CVE-2025-53845
Creator: NVD / NIST
Published: 2025-10-14T16:15:39.01+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.44%

Last modified Jun 17, 2026

CVE-2025-53845 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An improper authentication vulnerability [CWE-287] in Fortinet FortiAnalyzer version 7.6.0 through 7.6.3 and before 7.4.6 allows an unauthenticated attacker to obtain information pertaining to the device's health and status, or cause a denial of service via crafted OFTP requests.. EPSS estimates a 0.44% chance of exploitation in the next 30 days.

Description

An improper authentication vulnerability [CWE-287] in Fortinet FortiAnalyzer version 7.6.0 through 7.6.3 and before 7.4.6 allows an unauthenticated attacker to obtain information pertaining to the device's health and status, or cause a denial of service via crafted OFTP requests.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.44%

35.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Fortinet	Fortianalyzer	>= 6.4.0, < 7.4.7
Fortinet	Fortianalyzer	>= 7.6.0, < 7.6.4

References

https://fortiguard.fortinet.com/psirt/FG-IR-25-378Vendor Advisory

Timeline

Published: Oct 14, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-53845?

How severe is CVE-2025-53845?

CVE-2025-53845 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.44% probability of exploitation in the next 30 days.

How do I fix CVE-2025-53845?

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-2025-53845?

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

Scan your code now

Source: NVD / NIST