A vulnerability was found in TOTOLINK A3100R 4.1.2cu.5050B20200504. It has been declared as critical. This vulnerability affects the function setTelnetCfg of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. The manipulation of the argument telnetenabled leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-272572. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Totolink devices A3100R v4.1.2cu.5050B20200504, A830R v5.9c.4729B20191112, and A720R v4.1.5cu.470B20200911 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.
TOTOLINK A3100R V4.1.2cu.5050B20200504 and V4.1.2cu.5247B20211129 were discovered to contain a stack overflow via the comment parameter in the function setIpQosRules. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted POST request.
TOTOLINK A3100R V4.1.2cu.5050B20200504 and V4.1.2cu.5247B20211129 were discovered to contain a stack overflow via the macAddress parameter in the function setMacQos. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted POST request.
TOTOLINK A3100R V4.1.2cu.5050B20200504 and V4.1.2cu.5247B20211129 were discovered to contain a stack overflow via the url parameter in the function setUrlFilterRules. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted POST request.
TOTOLINK A3100R V4.1.2cu.5050B20200504 and V4.1.2cu.5247B20211129 were discovered to contain a stack overflow via the comment parameter in the function setPortForwardRules. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted POST request.
Totolink A830R V5.9c.4729B20191112, Totolink A3100R V4.1.2cu.5050B20200504, Totolink A950RG V4.1.2cu.5161B20200903, Totolink A800R V4.1.2cu.5137B20200730, Totolink A3000RU V5.9c.5185B20201128, Totolink A810R V4.1.2cu.5182B20201026 were discovered to contain a command injection vulnerability.