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 the firmware version 4.1.2cu.5232_B20210713. The vulnerability arises in an unknown function of the file '/boafrm/formNtp', within the HTTP POST request handler component. The issue is triggered by manipulating the 'submit-url' argument, allowing for remote exploitation. This vulnerability has been publicly disclosed and is associated with a proof-of-concept exploit.

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.