@Kevin_Z Thank you for the solution!

Hey! So this started to happen from the last FW update Firmware Version: 1.5.7 Build 210308 Rel.60033n(4555) Yes, I'm using the original power adapter that came in the box with the router c80.

@rohitrhmn1 I have the same issue. Happend to me a few times durring this summer and I think that it's overheating maybe. After it shuts off, the only way I can turn it off is to let it cool a...