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Dkdman's avatar
Dkdman
Tutor
Apr 06, 2025

Netgear CM1100 firmware update help

I have a netgear CM1100 modem. My internet provider, Sparklight, does NOT update my modem, how do I update the firmware since they do not.  Sparklight ONLY updates equipment that a customer rents fro...
plemans's avatar
plemans
Guru - Experienced User
Apr 06, 2025

You don't. Firmware isn't user updatable. Its part of the provisioning from the ISP. 

So there isn't anything you can change with it. Its part of the docsis spec. 

 

Are you having issues with it? 

  • Dkdman's avatar
    Dkdman
    Tutor
    Apr 06, 2025

    But if my ISP doesn't update it, and I can't update it, then updates never happen?  What then?

    • Dkdman's avatar
      Dkdman
      Tutor
      Apr 06, 2025

      Is there any way I can check to see what firmware I have on it at least?

      • plemans's avatar
        plemans
        Guru - Experienced User
        Apr 06, 2025

        then there aren't any more updates. Modems rarely get updates anyway because they don't really have any features. They aren't a router and don't have any traffic monitoring stand