CVE-2025-22252 Auth bypass in FortiOS

What is CVE-2025-22252?

CVE-2025-22252 is a critical authentication bypass vulnerability in Fortinet Fortios, published on 28 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A missing authentication for critical function in Fortinet FortiProxy versions 7.6.0 through 7.6.1, FortiSwitchManager version 7.2.5, and FortiOS versions 7.4.4 through 7.4.6 and version 7.6.0 may allow an attacker with knowledge of an existing admin account to access the device as a valid admin via an authentication bypass.

Weakness: CWE-306

Which versions are affected by CVE-2025-22252?

It affects 3 products.

Products include Fortinet Fortios, Fortinet Fortiproxy, Fortinet Fortiswitchmanager.

How do I fix CVE-2025-22252?

No fix has been published for CVE-2025-22252 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2025-22252 being exploited?

There is no known exploitation of CVE-2025-22252 in the wild and no public exploit code.

Other vulnerabilities in Fortinet Fortios

• CVE-2024-23113 Fortinet Multiple Products Format String Exploited Critical 9.8
• CVE-2022-40684 Fortinet Multiple Products Authentication Bypass Exploited Critical 9.8
• CVE-2024-55591 Fortinet FortiOS and FortiProxy Authentication Bypass Exploited Critical 9.6
• CVE-2024-21762 Fortinet FortiOS Out-of-Bound Write Exploited Critical 9.6
• CVE-2022-42475 Fortinet FortiOS Heap-Based Buffer Overflow Exploited Critical 9.3

All Fortinet Fortios vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-2w29-fw64-5ggm.