Edimax BR-6675nD Buffer Overflow Vulnerability in POST Request Handler

A buffer overflow vulnerability has been identified in the Edimax BR-6675nD router, specifically in version 1.12. The issue arises in the POST request handler, within the 'formWanTcpipSetup' function. The vulnerability can be exploited remotely by manipulating the 'pppUserName' argument. This exploitation has been publicly disclosed, and the vendor has not responded to initial contact regarding the issue.

Impact

Exploitation of this vulnerability leads to a buffer overflow, which can commonly result in arbitrary code execution or causing the device to crash.