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 through 4.1.2cu.5232_B20210713. The issue arises in the HTTP POST request handler, within the file '/boafrm/formDMZ'. This vulnerability can be exploited remotely, allowing attackers to send malicious HTTP POST requests that 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.