Tenda G3 v3.0 v15.11.0.20 was discovered to contain a stack overflow via the formSetPortMapping function.

Tenda G3 setDebugCfg formSetDebugCfg stack-based overflow

A vulnerability, which was classified as critical, has been found in Tenda G3 15.11.0.20. This issue affects the function formSetDebugCfg of the file /goform/setDebugCfg. The manipulation of the argument enable/level/module leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Tenda G3 v3.0 v15.11.0.20 was discovered to contain a command injection vulnerability via the formSetDebugCfg function.

Tenda G3 v3.0 v15.11.0.20 was discovered to contain a command injection vulnerability via the formSetUSBPartitionUmount function.

Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a stack overflow in the function formAddDhcpBindRule. This vulnerability allows attackers to cause a Denial of Service (DoS) via the addDhcpRules parameter.

Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a command injection vulnerability in the function formSetPppoeServer. This vulnerability allows attackers to execute arbitrary commands via the pppoeServerIP, pppoeServerStartIP, and pppoeServerEndIP parameters.

Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a command injection vulnerability in the function formSetIpSecTunnel. This vulnerability allows attackers to execute arbitrary commands via the IPsecLocalNet and IPsecRemoteNet parameters.

Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a stack overflow in the function formIPMacBindAdd. This vulnerability allows attackers to cause a Denial of Service (DoS) via the IPMacBindRule parameter.

Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a command injection vulnerability in the function formSetIpGroup. This vulnerability allows attackers to execute arbitrary commands via the IPGroupStartIP and IPGroupEndIP parameters.

Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a command injection vulnerability in the function formSetDMZ. This vulnerability allows attackers to execute arbitrary commands via the dmzHost1 parameter.

Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a stack overflow in the function formSetSysTime. This vulnerability allows attackers to cause a Denial of Service (DoS) via the manualTime parameter.

Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a command injection vulnerability in the function formSetQvlanList. This vulnerability allows attackers to execute arbitrary commands via the qvlanIP parameter.

Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a stack overflow in the function formSetVirtualSer. This vulnerability allows attackers to cause a Denial of Service (DoS) via the DnsHijackRule parameter.

Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a stack overflow in the function formSetPortMapping. This vulnerability allows attackers to cause a Denial of Service (DoS) via the portMappingServer, portMappingProtocol, portMappingWan, porMappingtInternal, and portMappingExternal parameters.

Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a stack overflow in the function formSetPortMapping. This vulnerability allows attackers to cause a Denial of Service (DoS) via the portMappingServer, portMappingProtocol, portMappingWan, porMappingtInternal, and portMappingExternal parameters.

Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a stack overflow in the function formSetStaticRoute. This vulnerability allows attackers to cause a Denial of Service (DoS) via the staticRouteNet, staticRouteMask, and staticRouteGateway parameters.

Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a stack overflow in the function formDelDhcpRule. This vulnerability allows attackers to cause a Denial of Service (DoS) via the delDhcpIndex parameter.

Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a stack overflow in the function formIPMacBindModify. This vulnerability allows attackers to cause a Denial of Service (DoS) via the IPMacBindRuleIP and IPMacBindRuleMac parameters.

Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a stack overflow in the function formSetQvlanList. This vulnerability allows attackers to cause a Denial of Service (DoS) via the qvlanName parameter.

Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a stack overflow in the function formAddVpnUsers. This vulnerability allows attackers to cause a Denial of Service (DoS) via the vpnUsers parameter.