First of all you have to activate the debugging mode on your Netgear DGND3700v2 device. This is done by opening the web administration interface and passing a optional GET Parameter
?todo=debug. To open this page you need to know the credentials (I found them on a sticker on the bottom of my device). It seems like the default user is
admin and the password is
password (I know, very secure...).
Now it should be possible to connect to your router using telnet:
Your router will ask for your credentials every time you connect. If you have provided the right information you have access to the shell. The following command will show you a list of possible commands:
To get information about your ADSL connection use the following command:
adslctl info --show
exit to close the connection properly.