[QUOTE=Flander]
I think you mean “Æthernet”. 
[/QUOTE]
Ether spelling would be correct.
[QUOTE=niblet_head]
I have a follow up question: if this is a firmware issue, shouldn’t all the computers be affected?
[/QUOTE]
Yes, in the sense all the computers are connected to the Internet/network through the router. But the firmware update might be addressing a problem only with wired connections and not wireless. If so, then all will be right with the world.