A vulnerability was found in Totolink NR1800X 9.1.0u.6279B20210910 and classified as critical. Affected by this issue is the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password 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-249854 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

TOTOLINK NR1800X V9.1.0u.6279B20210910 was discovered to contain a stack overflow via the httphost parameter in the function loginAuth.

TOTOLINK NR1800X V9.1.0u.6279B20210910 was discovered to contain a command injection vulnerability via the OpModeCfg function at /cgi-bin/cstecgi.cgi.

TOTOLINK NR1800X V9.1.0u.6279B20210910 was discovered to contain a command injection vulnerability via the UploadFirmwareFile function at /cgi-bin/cstecgi.cgi.

TOTOLINK NR1800X V9.1.0u.6279B20210910 was discovered to contain an unauthenticated stack overflow via the "main" function.

A vulnerability was detected in Totolink NR1800X 9.1.0u.6279B20210910. Impacted is the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Performing a manipulation of the argument ssid results in buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used.

A weakness has been identified in Totolink NR1800X 9.1.0u.6279B20210910. This vulnerability affects the function setWanCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. This manipulation of the argument Hostname causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

A security vulnerability has been detected in Totolink NR1800X 9.1.0u.6279B20210910. This issue affects the function setTracerouteCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Such manipulation of the argument command leads to command injection. The attack can be launched remotely. The exploit has been disclosed publicly and may be used.

TOTOLINK NR1800X V9.1.0u.6279B20210910 was discovered to contain an authenticated stack overflow via the ip parameter in the setDiagnosisCfg function.

TOTOLINK NR1800X V9.1.0u.6279B20210910 was discovered to contain an authenticated stack overflow via the File parameter in the UploadCustomModule function.

TOTOLINK NR1800X V9.1.0u.6279B20210910 was discovered to contain an authenticated stack overflow via the week, sTime, and eTime parameters in the setParentalRules function.

TOTOLINK NR1800X V9.1.0u.6279B20210910 was discovered to contain an authenticated stack overflow via the text parameter in the setSmsCfg function.

TOTOLINK NR1800X V9.1.0u.6279B20210910 was discovered to contain an authenticated stack overflow via the pppoeUser parameter in the setOpModeCfg function.

TOTOLINK NR1800X V9.1.0u.6279B20210910 was discovered to contain a stack overflow in the lang parameter in the setLanguageCfg function

TOTOLINK NR1800X V9.1.0u.6279B20210910 was discovered to contain an authenticated stack overflow via the sPort/ePort parameter in the setIpPortFilterRules function.

TOTOLINK NR1800X V9.1.0u.6279B20210910 was discovered to contain an authenticated stack overflow via the command parameter in the setTracerouteCfg function.

A vulnerability has been found in Totolink NR1800X 9.1.0u.6279B20210910. This issue affects the function NTPSyncWithHost of the file /cgi-bin/cstecgi.cgi of the component Telnet Service. The manipulation of the argument hosttime leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.