Router High CPU Usage

[kraM1t]

Hi, I notice after a few days my Router CPU usage is spiking to 88-99% and just sitting there constantly at that until I reboot the Router. I've tried factory resetting it but it results in the same thing after a few days. When the CPU usage is high the internet becomes very slow, not in speed but in responsiveness, eg images taking 20 seconds to load etc.

The error log is just filled page after page with this until I reset it then the logs look normal

Any idea?

[kraM1t]

That's the issue, if I reboot the router, it takes around 3 days for the issue to reoccur, so it won't tell me if it's fixed lol

I was hoping by disconnecting the devices 1 by 1 I could monitor the cpu usage and see if any of them caused it, but the cpu usage remained unchanged until I rebooted, which of course fixes the issue but it'll take a few days to return again now 

[Ripshod]

It's clear that simply removing devices without a reboot is not a fix. Some kind of storm is being triggered by something else in your setup, and the router will remain in that condition until rebooted. It's also possible one of your devices has been hacked or has a fault and is triggering this.