Buffer Overflow vulnerability in Tenda Ac19 v.1.0, AC18, AC9 v.1.0, AC6 v.2.0 and v.1.0 allows a remote attacker to execute arbitrary code via the formSetCfm function in bin/httpd.

A vulnerability was found in Tenda AC9 15.03.02.13. It has been rated as critical. This issue affects the function formSetIptv of the file /goform/SetIPTVCfg of the component POST Request Handler. The manipulation of the argument list leads to command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

A vulnerability, which was classified as critical, has been found in Tenda AC9 15.03.02.13. Affected by this issue is the function fromadvsetlanip of the file /goform/AdvSetLanip of the component POST Request Handler. The manipulation of the argument lanMask leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

A vulnerability has been found in Tenda AC9 15.03.02.13 and classified as critical. Affected by this vulnerability is the function formSetSafeWanWebMan of the file /goform/SetRemoteWebCfg of the component HTTP POST Request Handler. The manipulation of the argument remoteIp leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Tenda AC9 v15.03.05.14 was discovered to contain a command injection vulnerability via the Telnet function.

In Tenda ac9 v1.0 with firmware V15.03.05.14multi, the rebootTime parameter of /goform/SetSysAutoRebbotCfg has a stack overflow vulnerability, which can lead to remote arbitrary code execution.

In the Tenda ac9 v1.0 router with firmware V15.03.05.14multi, there is a stack overflow vulnerability in /goform/WifiWpsStart, which may lead to remote arbitrary code execution.

In Tenda AC9 v1.0 with firmware V15.03.05.14multi, the security parameter of /goform/WifiBasicSet has a stack overflow vulnerability, which can lead to remote arbitrary code execution.

A vulnerability was discovered in Tenda AC9 v3.0 V15.03.06.42multi and Tenda AC9 V1.0 V15.03.05.19(6318)CN which allows for remote code execution via shell metacharacters in the guestuser field to the fastcall function with a POST request.

There is a buffer overflow vulnerability in the Web server httpd of the router in Tenda router devices such as Tenda AC9 V1.0 V15.03.02.19(6318) and Tenda AC9 V3.0 V15.03.06.42multi. When setting the virtual service, the httpd program will crash and exit when the super-long list parameter occurs.