I fixed the issue by flashing with a 3rd party firmware, OpenWRT.

Hi @Kevin_Z Is this issue being investigated by the firmware team? I have noticed similar reported issues on the forum with this specific router.

@probuddha I have the same issue with mine. Did the replacement solve the issue?

UPDATE: PC was switched off, WAN still disconnects itself after a certain amount of hours. No connectivity to any connected device LAN/WIFI. My DDOS assumption is now invalid.

Some new information gathered over the last week. I have DDOS protection enabled on the router, and somehow my PC is being blocked by the router ( I assume there might be a botnet or something...

@Kevin_Z Thanks for the quick response! 1. The LED remains green and sometimes it's off, as per screenshot attached https://i.ibb.co/fnjkR61/Status.png 2. I have done so, internet came back on as...