Tenda 4G300 Stack-Based Buffer Overflow Vulnerability in SafeMacFilter Function

A stack-based buffer overflow vulnerability has been identified in the Tenda 4G300 router, specifically in the firmware version US_4G300V1.0Mt_V1.01.42_CN_TDC01. The issue arises in the SafeMacFilter form handler, where improper manipulation of the input arguments allows for remote exploitation.

Impact

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