TOTOLINK EX1200T Buffer Overflow Vulnerability in HTTP POST Request Handler

A critical buffer overflow vulnerability has been identified in the TOTOLINK EX1200T router, specifically in versions up to 4.1.2cu.5232_B20210713. The vulnerability arises from an unknown processing issue in the HTTP POST request handler, particularly within the file '/boafrm/formIpQoS'. This flaw allows for remote exploitation, where an attacker can send a malicious HTTP POST request to trigger the buffer overflow.

Impact

Exploitation of this vulnerability leads to a buffer overflow, which can commonly result in arbitrary code execution or causing a denial-of-service condition on the device.