Warning: DLink Router Security Hole!
Do you have a DLink Router? Is it unsecured (ie., no WAP or WEP enabled?) Then you have a potential that anyone can take over your router! Check out this article:
D-Link Router UPNP Stack Overflow
Universal Plug and Play on the allows a simple string to give full control of the router to a user that has “inside the net” access (such as an open wireless router might have) and even allow them to overwrite the EPROM! Zowie!