Question 1

What is the EOL Risk Score for DrayTek Vigor Vigor3900?

Accepted Answer

DrayTek Vigor Vigor3900 has an EOL Risk Score™ of 60 out of 100, placing it in the High risk band. The score is calculated from four factors: EOL Recency (30/40), Attack Surface (10/30), CISA KEV Exposure (20/20), and Extended Support Availability (0/10).

Question 2

Is DrayTek Vigor Vigor3900 still supported?

Accepted Answer

DrayTek Vigor Vigor3900 is no longer supported — it has passed its end of life date (March 9, 2026). No further security patches will be issued. Upgrade to a supported version or obtain extended lifecycle support.

Question 3

When does DrayTek Vigor Vigor3900 reach end of life?

Accepted Answer

DrayTek Vigor Vigor3900 reached (or will reach) end of life on March 9, 2026. After this date, no security patches or bug fixes are issued by the vendor.

Question 4

What are the security risks of running DrayTek Vigor Vigor3900 after end of life?

Accepted Answer

After end of life, DrayTek Vigor Vigor3900 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.