CVE-2022-40677: Fortinet Fortinac

High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days.

A improper neutralization of argument delimiters in a command ('argument injection') in Fortinet FortiNAC versions 9.4.0, 9.2.0 through 9.2.5, 9.1.0 through 9.1.7, 8.8.0 through 8.8.11, 8.7.0 through 8.7.6, 8.6.0 through 8.6.5, 8.5.0 through 8.5.4, 8.3.7 allows attacker to execute unauthorized code or commands via specially crafted input parameters.

Affected products

• Fortinet Fortinac: from 8.5.0, up to and including 8.5.4; from 8.6.0, up to and including 8.6.5; from 8.7.0, up to and including 8.7.6; from 8.8.0, up to and including 8.8.11; from 9.1.0, up to and including 9.1.7; from 9.2.0, up to and including 9.2.5; …

Published 2023-02-16. Last modified 2026-06-17.