D-Link DIR-513 Stack Buffer Overflow Vulnerability

A stack buffer overflow vulnerability has been identified in the D-Link DIR-513 router, specifically in version 1.10. The issue arises in the goform/formLogin endpoint, where the curTime parameter can be manipulated to cause the overflow.

Impact

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

Reproduction

The vulnerability can be reproduced by sending a POST request to the goform/formLogin endpoint. The request must include a curTime parameter with a payload that exceeds the buffer size, effectively causing a stack buffer overflow. Additional parameters such as login_n and login_pass can be included, but are not necessary for the exploitation.