vulnerability
Fortinet FortiOS: CVE-2025-22252: TACACS+ authentication bypass
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 10 | (AV:N/AC:L/Au:N/C:C/I:C/A:C) | May 13, 2025 | Jun 6, 2025 | Jun 23, 2026 |
Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
May 13, 2025
Added
Jun 6, 2025
Modified
Jun 23, 2026
Description
A missing authentication for critical function vulnerability [CWE-306] in FortiOS, FortiProxy, and FortiSwitchManager TACACS+ configured to use a remote TACACS+ server for authentication, that has itself been configured to use ASCII authentication may allow an attacker with knowledge of an existing admin account to access the device as a valid admin via an authentication bypass.
Solution
fortios-upgrade-latest
Rapid7 Labs
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