I have experienced erroneous Mac addresses in the past on my v2 camera. Could be the same issue. Wyze modifies the mac address during boot-up to what they need it to be. Sometimes, this assignment does not go fully through and you will see an unknown Mac Address. The difference was that mine did not say Wyze, it said the name of the manufacturer of the network card. The fix was to simply power the device off (Unplug the power) for about 1 minute and then plug it back in. The Mac Address was corrected and all was good.
However, I have not experienced this issue in quite sometime and never experienced on my v3 camera’s or the WCO camera.
Wanted to pass this on as it is a simple thing to do and see if it gets corrected.
Here is the link about it: