CVE-2022-35846: Fortinet Fortitester

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

An improper restriction of excessive authentication attempts vulnerability [CWE-307] in FortiTester Telnet port 2.3.0 through 3.9.1, 4.0.0 through 4.2.0, 7.0.0 through 7.1.0 may allow an unauthenticated attacker to guess the credentials of an admin user via a brute force attack.

Affected products

• Fortinet Fortitester: from 2.3.0, before 3.9.2 (fixed in 3.9.2); from 4.0.0, before 4.2.1 (fixed in 4.2.1); from 7.0.0, before 7.1.1 (fixed in 7.1.1)

Published 2022-10-18. Last modified 2026-06-17.