**Name of the Vulnerable Software and Affected Versions:**

D-Link DI-8100 version 1.0

**Description:**

A critical vulnerability exists in the `sprintf` function within the `jhttpd` component of D-Link DI-8100 version 1.0. Manipulation of the `remove ext proto`/`remove ext port` argument in the `/upnp ctrl.asp` file leads to a stack-based buffer overflow. This issue can be exploited remotely, and the exploit has been publicly disclosed.

**Recommendations:**

D-Link DI-8100 version 1.0: At the moment, there is no information about a newer version that contains a fix for this vulnerability.