TotoLink A3600R is a 6-antenna 1200M wireless router from TotoLink, Taiwan, China.A buffer overflow vulnerability exists in version V4.1.2cu.5182_B20201102 of the Totolink A3600R, which stems from a vulnerability in the fread function of infostat.cgi that contains stacker overflow, which can be exploited by an attacker to cause a denial of service (DoS) via the parameter CONTENT_LENGTH.