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Smgaulding's avatar
Smgaulding
Follower
Jun 11, 2022

Nighthawk CAX80 Err_cert_authority_invalid

When connected to my network, all devices give me this error: NET::ERR_CERT_AUTHORITY_INVALID

I've reset my modem, both through the app and routerlogin.com. I've replaced the coax, sent refresh signals from Xfinity, and checked that the timezone and firmware is correct and up to date.

Possibly unrelated, but also every time I go in to admin settings, it makes me put a new admin pw and sec questions. It doesn't save it from last time.

Currently I just refreshed again from Xfinity app, and it's still not functioning. Any suggestions?
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