CVE-2021-26106: Fortinet Fortiap

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

An improper neutralization of special elements used in an OS Command vulnerability in FortiAP's console 6.4.1 through 6.4.5 and 6.2.4 through 6.2.5 may allow an authenticated attacker to execute unauthorized commands by running the kdbg CLI command with specifically crafted arguments.

Affected products

• Fortinet Fortiap: from 6.4.1, before 6.4.6 (fixed in 6.4.6)
• Fortinet Fortiap-S: from 6.2.4, before 6.2.6 (fixed in 6.2.6)
• Fortinet Fortiap-w2: from 6.2.4, before 6.2.6 (fixed in 6.2.6)

Published 2021-07-09. Last modified 2026-06-17.