A vulnerability, which was classified as critical, has been found in Tenda AC8, AC10 and AC18 16.03.10.20. Affected by this issue is some unknown functionality of the file /goform/telnet of the component HTTP Request Handler. The manipulation leads to command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the funcpara1 parameter in the formSetCfm function.

A vulnerability was found in Tenda AC6, AC7, AC8, AC9, AC10, AC10U, AC15, AC18, AC500 and AC1206 up to 20241022. It has been rated as problematic. This issue affects the function websReadEvent of the file /goform/GetIPTV. The manipulation of the argument Content-Length leads to null pointer dereference. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Stack-based buffer overflow vulnerability in Tenda AC18 V15.03.3.10EN allows a remote attacker to execute arbitrary code via the ssid parameter at ip/goform/fastsettingwifiset.

Tenda AC18 V15.03.3.10EN was discovered to contain a stack-based buffer overflow vulnerability via the deviceMac parameter at ip/goform/addWifiMacFilter.

Tenda AC18 v15.03.05.19 is vulnerable to Buffer Overflow in the formSetPPTPServer function via the endIp parameter.

A command injection vulnerability exists in /goform/exeCommand in Tenda AC18 v15.03.05.05, which allows attackers to construct cmdinput parameters for arbitrary command execution.

Tenda AC18 V15.03.05.05 has a stack overflow vulnerability in the ssid parameter of formfastsettingwifiset function.

Tenda AC18 router V15.03.05.19 contains a stack overflow vulnerability in the formSetQosBand->FUN0007db78 function with the request /goform/SetNetControlList/

Tenda AC Series Router AC18V15.03.05.19(6318) was discovered to contain a stack-based buffer overflow in the httpd module when handling /goform/WifiExtraSet request.

Tenda AC Series Router AC18V15.03.05.19(6318) has a stack-based buffer overflow vulnerability in function formfastsettingwifiset

An issue was discovered on Tenda AC7 V15.03.06.44CN, AC9 V15.03.05.19(6318)CN, AC10 V15.03.06.23CN, AC15 V15.03.05.19CN, and AC18 V15.03.05.19(6318)CN devices. There is a buffer overflow vulnerability in the router's web server -- httpd. While processing the 'deviceList' parameter for a post request, the value is directly used in a strcpy to a local variable placed on the stack, which overrides the return address of the function.

An issue was discovered on Tenda AC7 V15.03.06.44CN, AC9 V15.03.05.19(6318)CN, AC10 V15.03.06.23CN, AC15 V15.03.05.19CN, and AC18 V15.03.05.19(6318)CN devices. There is a buffer overflow vulnerability in the router's web server -- httpd. While processing the 'deviceMac' parameter for a post request, the value is directly used in a sprintf to a local variable placed on the stack, which overrides the return address of the function.

An issue was discovered on Tenda AC7 V15.03.06.44CN, AC9 V15.03.05.19(6318)CN, AC10 V15.03.06.23CN, AC15 V15.03.05.19CN, and AC18 V15.03.05.19(6318)CN devices. There is a buffer overflow vulnerability in the router's web server -- httpd. While processing the 'startIp' and 'endIp' parameters for a post request, each value is directly used in a sprintf to a local variable placed on the stack, which overrides the return address of the function.

An issue was discovered on Tenda AC7 V15.03.06.44CN, AC9 V15.03.05.19(6318)CN, AC10 V15.03.06.23CN, AC15 V15.03.05.19CN, and AC18 V15.03.05.19(6318)CN devices. There is a buffer overflow vulnerability in the router's web server -- httpd. While processing the 'ntpServer' parameter for a post request, the value is directly used in a strcpy to a local variable placed on the stack, which overrides the return address of the function.

An issue was discovered on Tenda AC7 V15.03.06.44CN, AC9 V15.03.05.19(6318)CN, AC10 V15.03.06.23CN, AC15 V15.03.05.19CN, and AC18 V15.03.05.19(6318)CN devices. It is a buffer overflow vulnerability in the router's web server -- httpd. When processing the "ssid" parameter for a post request, the value is directly used in a strcpy to a local variable placed on the stack, which overrides the return address of the function.

An issue was discovered on Tenda AC7 V15.03.06.44CN, AC9 V15.03.05.19(6318)CN, AC10 V15.03.06.23CN, AC15 V15.03.05.19CN, and AC18 V15.03.05.19(6318)CN devices. It is a buffer overflow vulnerability in the router's web server -- httpd. When processing the "page" parameter of the function "fromDhcpListClient" for a request, it is directly used in a sprintf to a local variable placed on the stack, which overrides the return address of the function.

An issue was discovered on Tenda AC7 V15.03.06.44CN, AC9 V15.03.05.19(6318)CN, AC10 V15.03.06.23CN, AC15 V15.03.05.19CN, and AC18 V15.03.05.19(6318)CN devices. It is a buffer overflow vulnerability in the router's web server -- httpd. When processing the "page" parameter of the function "fromAddressNat" for a post request, the value is directly used in a sprintf to a local variable placed on the stack, which overrides the return address of the function.

An issue was discovered on Tenda AC7 V15.03.06.44CN, AC9 V15.03.05.19(6318)CN, AC10 V15.03.06.23CN, AC15 V15.03.05.19CN, and AC18 V15.03.05.19(6318)CN devices. It is a buffer overflow vulnerability in the router's web server -- httpd. When processing the "firewallEn" parameter for a post request, the value is directly used in a strcpy to a local variable placed on the stack, which overrides the return address of the function.

An issue was discovered on Tenda AC7 V15.03.06.44CN, AC9 V15.03.05.19(6318)CN, AC10 V15.03.06.23CN, AC15 V15.03.05.19CN, and AC18 V15.03.05.19(6318)CN devices. There is a buffer overflow vulnerability in the router's web server. While processing the ssid parameter for a POST request, the value is directly used in a sprintf call to a local variable placed on the stack, which overrides the return address of the function, causing a buffer overflow.

Tenda AC7 through V15.03.06.44CN, AC9 through V15.03.05.19(6318)CN, and AC10 through V15.03.06.23CN devices have a Stack-based Buffer Overflow via a long limitSpeed or limitSpeedup parameter to an unspecified /goform URI.

Command Injection vulnerability in appdatacenter on Shenzhen Tenda Ac9 USAC9V1.0BRV15.03.05.14multiTD01, Ac9 ac9kfV15.03.05.19(6318)cn, Ac15 USAC15V1.0BRV15.03.05.18multiTD01, Ac15 USAC15V1.0BRV15.03.05.19multiTD01, Ac18 USAC18V1.0BRV15.03.05.05multiTD01, and Ac18 ac18kfV15.03.05.19(6318)cn devices allows remote unauthenticated attackers to execute arbitrary OS commands via a crafted cgi-bin/luci/usbeject?devname= GET request from the LAN. This occurs because the "subA6E8 usbejectprocessentry" function executes a system function with untrusted input.