My router started acting weirdly about three weeks ago (intermittent disconnections, slow connection etc. ) and then stopped working all of a sudden. I asked fo

My router started acting weirdly about three weeks ago (intermittent disconnections, slow connection etc. ) and then stopped working all of a sudden. I asked for a replacement from the provider and they changed it last week. Now I am freaked out, because if the device was compromised I will need to change all my passwords which is a real pain in the a