If that helps, the first thing the system log of the router shows after the reboot is a TCP-SYN flood attack. But I am not sure if that has anything to do with the issue at hand, because the system...

Hi, yes, a reboot implies that it reboots itself and comes back to life automatically :). The lights all go out and it takes a few minutes until it's back up (first only the first light, then after...

Kevin_Z wrote More specific symptom of the current randomly reboots issue will be better. Besides, you can try to install the firmware below to give it a go....

When my WDR3600 died after 4 years of duty without any issues I got a C1200 V2. The newest firmware version was installed instantly via the auto update (it's the same as on the website, I checked)...