Being behind a nat, without any firewall, is more than enough to protect against this. In other words, you need to work hard to be affected by this "backdoor".
> Being behind a nat, without any firewall, is more than enough to protect against this. In other words, you need to work hard to be affected by this "backdoor".
So long as the device does not utilize UPnP and get the gateway to forward traffic to it.
