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Vulnerability record · CVE-2023-40721 · published 11 February 2025

CVE-2023-40721: Fortinet fortios vulnerability

Fortinet · Fortios

A use of externally-controlled format string vulnerability [CWE-134] vulnerability in Fortinet allows a privileged attacker to execute arbitrary code or commands via specially crafted requests.

6.7 CVSS 3.1 Medium EPSS 0.24% · top 85.9% CWE-134 · CWE-134
6.7CVSS 3.1 base score
0.24%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

A use of externally-controlled format string vulnerability [CWE-134] vulnerability in Fortinet allows a privileged attacker to execute arbitrary code or commands via specially crafted requests.

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

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://fortiguard.com/psirt/FG-IR-23-261 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-40721), CISA KEV, FIRST EPSS (scores of 2026-10-08). This page is refreshed as NVD updates the record.