![]() “ARRIS SOHO-grade cable modems contain an undocumented library (libarris_password.so) that acts as a backdoor, allowing privileged logins using a custom password,” Rodrigues writes. To guarantee uniformity, that privilege is given exclusively to the cable company providing service, even if a customer owns their own modem outright. ![]() Indeed, very few cable modems allow users to self-update their equipment with the latest firmware. “Securing cable modems is more difficult than other embedded devices because, on most cases, you can’t choose your own device/firmware and software updates are almost entirely controlled by your ISP,” Rodrigues writes. ![]() The ARRIS Touchstone 860, which can be identified by its model number depicted on the front lower right of the modem.
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