Question 1

What is the EOL Risk Score for D-Link legacy routers, cameras and NAS (hardware) DSL-2740B?

Accepted Answer

D-Link legacy routers, cameras and NAS (hardware) DSL-2740B 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 D-Link legacy routers, cameras and NAS (hardware) DSL-2740B still supported?

Accepted Answer

D-Link legacy routers, cameras and NAS (hardware) DSL-2740B is no longer supported — it has passed its end of life date (January 31, 2021). No further security patches will be issued. Upgrade to a supported version or obtain extended lifecycle support.

Question 3

When does D-Link legacy routers, cameras and NAS (hardware) DSL-2740B reach end of life?

Accepted Answer

D-Link legacy routers, cameras and NAS (hardware) DSL-2740B reached (or will reach) end of life on January 31, 2021. After this date, no security patches or bug fixes are issued by the vendor.

Question 4

What are the security risks of running D-Link legacy routers, cameras and NAS (hardware) DSL-2740B after end of life?

Accepted Answer

After end of life, D-Link legacy routers, cameras and NAS (hardware) DSL-2740B 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.