Certain Cisco Connected Devices including Cisco Set-Top Boxes and Cable Modems are no longer supported by Cisco Systems.
As of February 21, 2016, Cisco Systems completed the transition of technical support for its Connected Devices business to Technicolor.
● For support on Cisco set-top boxes, cable modems, gateways or accessories, please visit the Technicolor Connected Home Support site.
● Cisco has published a list of affected products. (PDF)