Question 1

What is the EOL Risk Score for Fortinet FortiGate appliances (hardware) FortiGate-900D?

Accepted Answer

Fortinet FortiGate appliances (hardware) FortiGate-900D has an EOL Risk Score™ of 10 out of 100, placing it in the Low risk band. The score is calculated from four factors: EOL Recency (0/40), Attack Surface (10/30), CISA KEV Exposure (0/20), and Extended Support Availability (0/10).

Question 2

Is Fortinet FortiGate appliances (hardware) FortiGate-900D still supported?

Accepted Answer

Fortinet FortiGate appliances (hardware) FortiGate-900D is currently supported. End of life is scheduled for April 16, 2028. Plan your migration before that date to avoid security risk.

Question 3

When does Fortinet FortiGate appliances (hardware) FortiGate-900D reach end of life?

Accepted Answer

Fortinet FortiGate appliances (hardware) FortiGate-900D reached (or will reach) end of life on April 16, 2028. After this date, no security patches or bug fixes are issued by the vendor.

Question 4

What are the security risks of running Fortinet FortiGate appliances (hardware) FortiGate-900D after end of life?

Accepted Answer

After end of life, Fortinet FortiGate appliances (hardware) FortiGate-900D no longer receives security patches. Any newly discovered CVEs remain unpatched indefinitely. Organizations running EOL software also face compliance violations under SOC 2, PCI DSS, HIPAA, and ISO 27001, which require use of supported software versions.