Key Information Product Information Vendor: TOTOLINK Affected Product: EX1200T Affected Firmware Version: V4.1.2cu.5232_B20210713 Firmware Download Link: Download Link Vulnerability Overview The TOTOLINK EX1200T router running firmware version V4.1.2cu.5232_B20210713 is affected by a severe buffer overflow vulnerability. This vulnerability can be triggered via the path. Attackers can exploit it by sending malicious HTTP POST requests to perform a Denial of Service (DoS) attack. Vulnerability Details The code contains the following issues: The variable is retrieved and checked. A buffer overflow exists, for example, the use of may lead to overflow. POC (Proof of Concept)