Question 1

What is the EOL Risk Score for Zyxel ATP/USG FLEX/USG/ZyWALL/VPN USG60W?

Accepted Answer

Zyxel ATP/USG FLEX/USG/ZyWALL/VPN USG60W has an EOL Risk Score™ of 70 out of 100, placing it in the High risk band. The score is calculated from four factors: EOL Recency (40/40), Attack Surface (10/30), CISA KEV Exposure (20/20), and Extended Support Availability (0/10).

Question 2

Is Zyxel ATP/USG FLEX/USG/ZyWALL/VPN USG60W still supported?

Accepted Answer

Zyxel ATP/USG FLEX/USG/ZyWALL/VPN USG60W is no longer supported — it has passed its end of life date (December 31, 2022). No further security patches will be issued. Upgrade to a supported version or obtain extended lifecycle support.

Question 3

When does Zyxel ATP/USG FLEX/USG/ZyWALL/VPN USG60W reach end of life?

Accepted Answer

Zyxel ATP/USG FLEX/USG/ZyWALL/VPN USG60W reached (or will reach) end of life on December 31, 2022. After this date, no security patches or bug fixes are issued by the vendor.

Question 4

What are the security risks of running Zyxel ATP/USG FLEX/USG/ZyWALL/VPN USG60W after end of life?

Accepted Answer

After end of life, Zyxel ATP/USG FLEX/USG/ZyWALL/VPN USG60W 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.