A3100R Firmware Security Vulnerabilities - February 2022

CVE-2021-44246

Totolink devices A3100R v4.1.2cu.5050_B20200504, A830R v5.9c.4729_B20191112, and A720R v4.1.5cu.470_B20200911 were discovered to contain a stack overflow in the function setNoticeCfg. This vulnerability allows attackers to cause a Denial of Service (DoS) via the IpTo parameter.

CVE-2021-44247

Totolink devices A3100R v4.1.2cu.5050_B20200504, A830R v5.9c.4729_B20191112, and A720R v4.1.5cu.470_B20200911 were discovered to contain command injection vulnerability in the function setNoticeCfg. This vulnerability allows attackers to execute arbitrary commands via the IpFrom parameter.

CVE-2022-25077

TOTOLink A3100R V4.1.2cu.5050_B20200504 was discovered to contain a command injection vulnerability in the "Main" function. This vulnerability allows attackers to execute arbitrary commands via the QUERY_STRING parameter.