CM600 firmware not upgraded by Time Warner Cable

Frustrated?  You bet cha.  Same dropped connectivity that I began to experience aboout 11/22/2017.  No matter how many service calls, or upper teir support personnel I deal with, everyone passed the buck, back n forth.  Never in the history of modern computing (been in the industry now for 40 years) have I experienced such a cocophany of bulltihs in my life.  NetGear says to go through the ISP, the ISP tells me that they cannot update my personally owned equipment.  I live out in the sticks in central Texas, and the only ISP here is a little company called SuddenLink (I call them SuddenStink) who've apparently never heard of a concept called "customer service".  Getting the same feeling from NetGear these days, despite owning and maintaining a NetGear ReadyNAS^ Ultra, Arlo home video system, and the CM600 (un-upgradeable) cable modem (stuck in the forever limbo of version .05).

Are we as customers to believe that all involved parties, including US the OWNERS of this equipment, meant to be held hostage by this double speak of actionable issues that we bring up to both our ISP's as well as the company that we've placed our hard earned money into their pockets?  What the lleH is going on here?  All I want (as a paying customer) is a product that can be maintained (as NetGear obviously understands since they develop the FW upgrades to their equipment) to a standard of which I should be entitled to.

Someone in authority at NetGear needs to contact me directly, and get the BS resolved.