A vulnerability, which was classified as critical, has been found in Tenda G3 15.11.0.17(9502). This issue affects the function formModifyPppAuthWhiteMac of the file /goform/ModifyPppAuthWhiteMac. The manipulation of the argument pppoeServerWhiteMacIndex leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-261983. 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 Tenda G3 15.11.0.17(9502). Affected is the function modifyDhcpRule of the file /goform/modifyDhcpRule. The manipulation of the argument bindDhcpIndex leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-261984. 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 stack overflow via the formSetPortMapping function.
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 G3 Router firmware v15.03.05.05 was discovered to contain a remote code execution (RCE) vulnerability via the usbPartitionName parameter in the formSetUSBPartitionUmount function.
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 formAddDnsForward. This vulnerability allows attackers to cause a Denial of Service (DoS) via the DnsForwardRule 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 command injection vulnerability in the function formSetNetCheckTools. This vulnerability allows attackers to execute arbitrary commands via the hostName parameter.
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 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 guestWifiRuleRefresh. This vulnerability allows attackers to cause a Denial of Service (DoS) via the qosGuestUpstream and qosGuestDownstream parameters.
Tenda routers G1 and G3 v15.11.0.17(9502)CN were discovered to contain a command injection vulnerability in the function formSetUSBShareInfo. This vulnerability allows attackers to execute arbitrary commands via the usbOrdinaryUserName 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 formAddVpnUsers. This vulnerability allows attackers to cause a Denial of Service (DoS) via the vpnUsers parameter.
Tenda routers G1 and G3 v15.11.0.17(9502)CN were discovered to contain a command injection vulnerability in the function uploadPicture. This vulnerability allows attackers to execute arbitrary commands via the picname parameter.
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.
Command Injection in Tenda G0 routers with firmware versions v15.11.0.6(9039)CN and v15.11.0.5(5876)CN , and Tenda G1 and G3 routers with firmware versions v15.11.0.17(9502)CN or v15.11.0.16(9024)CN allows remote attackers to execute arbitrary OS commands via a crafted action/setDebugCfg request. This occurs because the "formSetDebugCfg" function executes glibc's system function with untrusted input.
Command Injection in Tenda G1 and G3 routers with firmware versions v15.11.0.17(9502)CN or v15.11.0.16(9024)CN allows remote attackers to execute arbitrary OS commands via a crafted "action/umountUSBPartition" request. This occurs because the "formSetUSBPartitionUmount" function executes the "doSystemCmd" function with untrusted input.
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 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 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 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 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 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 command injection vulnerability in the function formSetIpGroup. This vulnerability allows attackers to execute arbitrary commands via the IPGroupStartIP and IPGroupEndIP parameters.