Important: Fortinet Vulnerabilities Affecting FortiOS Devices

We are reaching out to inform you about multiple new vulnerabilities affecting Fortinet FortiOS products, including firewalls and other network hardware. To better understand the critical role firewalls play in protecting business environments, we encourage you to read our latest blog post here.

As of June 11, 2025, Fortinet's Product Security Incident Response Team (PSIRT) has released several advisories addressing vulnerabilities in FortiOS. Below is a summary of the vulnerabilities listed, including their severity, affected versions, and recommended upgrade paths.

These vulnerabilities impact most FortiGate devices running FortiOS, including FortiGates, FortiSwitches, FortiAPs, and more.

Check Fortinet's PSIRT Advisories for further information and for any new vulnerabilities or updates related to FortiOS.

Upgrade Path: It's crucial to upgrade to the recommended FortiOS versions to mitigate these vulnerabilities. Ensure that you follow Fortinet's Upgrade Path Tool to determine the correct upgrade sequence for your specific FortiGate models.