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 AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the list parameter of /goform/setPptpUserList.

A vulnerability, which was classified as critical, was found in Tenda G3 15.11.0.20. Affected is the function formSetSysTime of the file /goform/SetSysTimeCfg. The manipulation of the argument sysTimePolicy 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. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability was found in Tenda FH1206 1.2.0.8(8155). It has been classified as critical. Affected is the function fromqossetting of the file /goform/qossetting. The manipulation of the argument page 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. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability classified as critical has been found in Tenda O6 1.0.0.7(2054). Affected is the function fromVirtualSet of the file /goform/setPortForward. The manipulation of the argument ip/localPort/publicPort/app 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. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability was found in Tenda FH1206 02.03.01.35 and classified as critical. Affected by this issue is the function formSafeEmailFilter of the file /goform/SafeEmailFilter of the component HTTP POST Request Handler. The manipulation of the argument page leads to stack-based buffer overflow. The attack may be launched 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 AC18 V15.03.05.19 is vulnerable to Buffer Overflow via /goform/FUN_000c2318.

Tenda AX-1803 v1.0.0.1 was discovered to contain a stack overflow via the timeZone parameter in the form_fast_setting_wifi_set function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

A vulnerability classified as critical was found in Tenda O3 1.0.0.10. This vulnerability affects the function formQosSet. The manipulation of the argument remark/ipRange/upSpeed/downSpeed/enable leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-272116. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Tenda AX-3 v16.03.12.10_CN was discovered to contain a stack overflow via the deviceId parameter in the get_parentControl_list_Info function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

A vulnerability, which was classified as critical, was found in Tenda O3 1.0.0.10. Affected is the function fromDhcpSetSer. The manipulation of the argument dhcpEn/startIP/endIP/preDNS/altDNS/mask/gateway 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. VDB-272118 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability has been found in Tenda O3 1.0.0.10 and classified as critical. Affected by this vulnerability is the function fromVirtualSet. The manipulation of the argument ip/localPort/publicPort/app leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-272119. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Tenda AX-1803 v1.0.0.1 was discovered to contain a stack overflow via the time parameter in the SetSysTimeCfg function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

A vulnerability was found in Tenda O3 1.0.0.10(2478). It has been rated as critical. This issue affects the function fromSafeSetMacFilter of the file /goform/setMacFilterList. The manipulation of the argument time 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-272555. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Tenda AX3 V16.03.12.10_CN was discovered to contain a stack overflow in the wpapsk_crypto parameter of the wlSetExternParameter function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

A vulnerability was found in Tenda O3 1.0.0.10(2478). It has been declared as critical. This vulnerability affects the function fromMacFilterSet of the file /goform/setMacFilter. The manipulation of the argument remark leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-272554 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

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

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

Tenda AX3 V16.03.12.10_CN was discovered to contain a stack overflow in the urls parameter of the get_parentControl_list_Info function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Tenda A18 V15.13.07.09 was discovered to contain a stack overflow via the security parameter in the formWifiBasicSet function.

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

Tenda AC8v4 V16.03.34.06 has a stack overflow vulnerability. Affected by this vulnerability is the function setSchedWifi of the file /goform/openSchedWifi. The manipulation of the argument schedStartTime leads to stack-based buffer overflow.

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

Tenda AC8v4 V16.03.34.06 has a stack overflow vulnerability. Affected by this vulnerability is the function setSchedWifi of the file /goform/openSchedWifi. The manipulation of the argument schedEndTime leads to stack-based buffer overflow.

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

A vulnerability classified as critical has been found in Tenda FH1201 1.2.0.14(408). This affects an unknown part of the file /goform/SafeMacFilter. The manipulation of the argument page leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Tenda AC6 V2.0 15.03.06.50 was discovered to contain a stack overflow in the page parameter in the DhcpListClient function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

Tenda AC6 V2.0 15.03.06.50 was discovered to contain a buffer overflow in the speed_dir parameter in the SetSpeedWan function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

Tenda AC6 V2.0 15.03.06.50 was discovered to contain a stack overflow in the page parameter in the addressNat function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

Multiple buffer overflow vulnerabilities in the openSchedWifi function of Tenda AC6 v.15.03.06.50 allows attackers to cause a Denial of Service (DoS) via injecting a crafted payload into the schedStartTime and schedEndTime parameters.

Tenda AC6 V2.0 15.03.06.50 was discovered to contain a stack overflow in the ssid parameter in the fast_setting_wifi_set function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

A buffer overflow in the UPnP service of Tenda AC8 Hardware v03.03.10.01 allows attackers to cause a Denial of Service (DoS) via supplying a crafted packet.

A vulnerability, which was classified as critical, was found in Tenda AC6 15.03.05.16. This affects the function formSetRebootTimer of the file /goform/SetRebootTimer. The manipulation of the argument rebootTime leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

There is a stack buffer overflow vulnerability in the formSetPPTPServer function of Tenda-AX3 router V16.03.12.10_CN. The v13 variable is directly retrieved from the http request parameter startIp. Then v13 will be splice to stack by function sscanf without any security check, which causes stack overflow. By POSTing the page /goform/SetPptpServerCfg with proper startIp, the attacker can easily perform remote code execution with carefully crafted overflow data.

A vulnerability classified as critical was found in Tenda AC6 15.03.05.16. Affected by this vulnerability is the function formSetSafeWanWebMan of the file /goform/SetRemoteWebCfg. 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.

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.

A vulnerability was found in Tenda AC5 15.03.06.47. It has been classified as critical. Affected is the function formSetRebootTimer of the file /goform/SetRebootTimer. The manipulation of the argument rebootTime 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.

A vulnerability was found in Tenda AC15 15.03.05.19_multi. It has been classified as critical. This affects 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. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Tenda FH1203 V2.0.1.6 was discovered to contain a stack overflow via the deviceId parameter in the formSetDeviceName function.

Tenda AX12 v22.03.01.21 was discovered to contain a stack buffer overflow in the function sub_422CE4. This vulnerability allows attackers to cause a Denial of Service (DoS) via the strcpy parameter.

There is a stack buffer overflow vulnerability in the formSetPPTPServer function of Tenda-AX3 router V16.03.12.10_CN. The v10 variable is directly retrieved from the http request parameter startIp. Then v10 will be splice to stack by function sscanf without any security check,which causes stack overflow. By POSTing the page /goform/SetPptpServerCfg with proper startIp, the attacker can easily perform remote code execution with carefully crafted overflow data.

Tenda AC15 v15.03.05.19_multi_TD01 has a stack overflow via the list parameter in the fromSetIpMacBind function.

Tenda AC6 V15.03.06.23_multi is vulnerable to Buffer Overflow in the function formSetMacFilterCfg via the parameters macFilterType and deviceList.

A vulnerability was found in Tenda RX3 16.03.13.11_multi_TDE01. It has been rated as critical. This issue affects the function save_staticroute_data of the file /goform/SetStaticRouteCfg. The manipulation of the argument list leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Tenda G3 v3.0br_V15.11.0.17 was discovered to contain multiple stack overflows in the formSetDebugCfg function via the pEnable, pLevel, and pModule parameters. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Tenda W30E V16.01.0.19 (5037) was discovered to contain a stack overflow in the countryCode parameter in the werlessAdvancedSet function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Tenda G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the listStr parameter in the ipMacBindListStore function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Tenda G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the pPppUser parameter in the getsinglepppuser function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Tenda AC6 V15.03.06.23_multi is vulnerable to Buffer Overflow in the formSetCfm function.

A vulnerability, which was classified as critical, has been found in Tenda CH22 1.0.0.1. This issue affects the function formaddUserName of the file /goform/addUserName. The manipulation of the argument Password leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.