Incorrect access control in TOTOLINK N350RT V9.3.5u.6139B20201216 allows attackers to obtain the apmib configuration file, which contains the username and the password, via a crafted request to /cgi-bin/ExportSettings.sh.

A vulnerability classified as critical has been found in TOTOLINK N350RT 9.3.5u.6139B20201216. This affects the function setWizardCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-273555. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability was found in TOTOLINK N350RT 9.3.5u.6139B20201216. It has been declared as critical. This vulnerability affects the function setParentalRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument week/sTime/eTime leads to buffer overflow. 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-273256. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability was found in Totolink N350RT 9.3.5u.6255. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the file /cgi-bin/cstecgi.cgi. The manipulation leads to session expiration. The attack can be launched remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-252187. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability classified as critical was found in Totolink N350RT 9.3.5u.6265. This vulnerability affects unknown code of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. The manipulation leads to improper access controls. The attack can be initiated remotely. It is recommended to upgrade the affected component. VDB-250786 is the identifier assigned to this vulnerability.

A vulnerability has been found in Totolink N350RT 9.3.5u.6139B202012 and classified as critical. Affected by this vulnerability is the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument httphost leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-249853 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability, which was classified as critical, was found in Totolink N350RT 9.3.5u.6139B202012. Affected is the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password leads to stack-based buffer overflow. It is possible to launch the attack remotely. The identifier of this vulnerability is VDB-249852. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability, which was classified as critical, has been found in Totolink N350RT 9.3.5u.6139B20201216. Affected by this issue is the function main of the file /cgi-bin/cstecgi.cgi?action=login of the component HTTP POST Request Handler. The manipulation of the argument v8 leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-249770 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability classified as critical was found in Totolink N350RT 9.3.5u.6139B20201216. Affected by this vulnerability is the function main of the file /cgi-bin/cstecgi.cgi?action=login&flag=1 of the component HTTP POST Request Handler. The manipulation of the argument v33 leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-249769 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability was found in Totolink N350RT 9.3.5u.6139B20201216. It has been rated as critical. This issue affects some unknown processing of the file /cgi-bin/cstecgi.cgi?action=login&flag=ie8 of the component HTTP POST Request Handler. The manipulation leads to stack-based buffer overflow. The exploit has been disclosed to the public and may be used. The identifier VDB-249389 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

TOTOLINK N350RT V9.3.5u.6139B20201216 was discovered to contain a stack overflow via the sPort parameter in the function setIpPortFilterRules.

TOTOLINK N350RT V9.3.5u.6139B20201216 was discovered to contain a command injection vulnerability via the command parameter in the function setTracerouteCfg.

TOTOLINK N350RT V9.3.5u.6139B20201216 was discovered to contain a command injection vulnerability via the FileName parameter in the function UploadFirmwareFile.

TOTOLINK N350RT V9.3.5u.6139B20201216 was discovered to contain a command injection vulnerability via the hostName parameter in the function setOpModeCfg.

TOTOLINK N350RT V9.3.5u.6139B20201216 was discovered to contain a stack overflow via the function setDiagnosisCfg.

TOTOLINK N350RT V9.3.5u.6139B20201216 was discovered to contain a stack overflow via the pppoeUser parameter.

TOTOLINK N350RT V9.3.5u.6139B20201216 was discovered to contain a command injection vulnerability via the lang parameter in the function setLanguageCfg.

TOTOLINK N350RT V9.3.5u.6139B20201216 was discovered to contain a command injection vulnerability via the ip parameter in the function setDiagnosisCfg.

TOTOLINK N350RT V9.3.5u.6139B20201216 was discovered to contain a stack overflow via the command parameter in the function setTracerouteCfg.

TOTOLINK N350RT V9.3.5u.6139B20201216 was discovered to contain a command injection vulnerability via the hosttime parameter in the function NTPSyncWithHost.