Tenda AC Series Router AC11_V02.03.01.104_CN was discovered to contain a stack buffer overflow in the onlineList module. This vulnerability allows attackers to cause a Denial of Service (DoS) via crafted overflow data.

Tenda AC9 V3.0 V15.03.06.42_multi and Tenda AC5 US_AC5V1.0RTL_V15.03.06.28 were discovered to contain a stack overflow via parameter startIp and endIp at url /goform/SetPptpServerCfg.

Tenda AC7 V1.0 V15.03.06.44, Tenda AC9 V3.0 V15.03.06.42_multi, and Tenda AC5 US_AC5V1.0RTL_V15.03.06.28 were discovered to contain a stack overflow via parameter time at url /goform/PowerSaveSet.

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.

Tenda AC Series Router AC11_V02.03.01.104_CN was discovered to contain a stack buffer overflow in the PPPoE module. This vulnerability allows attackers to cause a Denial of Service (DoS) via crafted overflow data.

Tenda AC Series Router AC11_V02.03.01.104_CN was discovered to contain a stack buffer overflow in the wanBasicCfg module. This vulnerability allows attackers to cause a Denial of Service (DoS) via crafted overflow data.

Tenda AC Series Router AC11_V02.03.01.104_CN was discovered to contain a stack buffer overflow in the wifiBasicCfg module. This vulnerability allows attackers to cause a Denial of Service (DoS) via crafted overflow data.

Tenda AC Series Router AC11_V02.03.01.104_CN was discovered to contain a stack buffer overflow in the wifiTime module. This vulnerability allows attackers to cause a Denial of Service (DoS) via crafted overflow data.

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 AC9 V15.03.2.21_cn was discovered to contain a stack overflow via the function saveparentcontrolinfo.

Tenda 4G300 v1.01.42 was discovered to contain a stack overflow via the page parameter at /VirtualSer.

Tenda AC9 V3.0 V15.03.06.42_multi and Tenda AC5 US_AC5V1.0RTL_V15.03.06.28 were discovered to contain a stack overflow via parameter list at url /goform/SetStaticRouteCfg.

A vulnerability was found in Tenda A18 up to 15.13.07.09. It has been rated as critical. This issue affects the function SetCmdlineRun of the file /goform/SetCmdlineRun of the component HTTP POST Request Handler. The manipulation of the argument wpapsk_crypto5g 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 F1202 V1.0BR_V1.2.0.20(408), FH1202_V1.2.0.19_EN were discovered to contain a stack overflow in the page parameter in the function fromSafeMacFilter.

Tenda F1202 V1.0BR_V1.2.0.20(408), FH1202_V1.2.0.19_EN were discovered to contain a stack overflow in the page parameter in the function fromRouteStatic.

A vulnerability classified as critical has been found in Tenda AC6 15.03.05.16. Affected is the function GetParentControlInfo of the file /goform/GetParentControlInfo. The manipulation of the argument src/mac 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. Other parameters might be affected as well.

A vulnerability was found in Tenda O1 1.0.0.7(10648) and classified as critical. Affected by this issue is the function fromDhcpSetSer of the file /goform/DhcpSetSer. The manipulation of the argument dhcpStartIp/dhcpEndIp/dhcpGw/dhcpMask/dhcpLeaseTime/dhcpDns1/dhcpDns2 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.

A vulnerability was found in Tenda O6 1.0.0.7(2054). It has been rated as critical. This issue affects the function fromSafeSetMacFilter of the file /goform/setMacFilterList. The manipulation of the argument remark/type/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. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability was found in Tenda O5 1.0.0.8(5017). It has been classified as critical. This affects the function fromSafeSetMacFilter of the file /goform/setMacFilterList. The manipulation of the argument remark/type/time 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. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

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.

A vulnerability was found in Tenda O6 1.0.0.7(2054). It has been declared as critical. This vulnerability affects the function frommacFilterModify of the file /goform/operateMacFilter. The manipulation of the argument mac leads to stack-based buffer overflow. The attack can 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.

A vulnerability, which was classified as critical, has been found in Tenda i22 1.0.0.3(4687). This issue affects the function formApPortalOneKeyAuth of the file /goform/apPortalOneKeyAuth. The manipulation of the argument data leads to 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.

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.

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.

A vulnerability classified as critical was found in Tenda i22 1.0.0.3(4687). This vulnerability affects the function formApPortalAccessCodeAuth of the file /goform/apPortalAccessCodeAuth. The manipulation of the argument accessCode/data/acceInfo leads to buffer overflow. The attack can 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.

A vulnerability was found in Tenda FH1206 1.2.0.8. It has been declared as critical. Affected by this vulnerability is the function fromSafeClientFilter/fromSafeMacFilter/fromSafeUrlFilter. The manipulation leads to stack-based buffer overflow. The attack can 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.

A vulnerability was found in Tenda FH1206 1.2.0.8(8155) and classified as critical. This issue affects the function fromGstDhcpSetSer of the file /goform/GstDhcpSetSer. The manipulation of the argument dips leads to 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.

A vulnerability, which was classified as critical, has been found in Tenda A301 15.13.08.12. Affected by this issue is the function formWifiBasicSet of the file /goform/SetOnlineDevName. The manipulation of the argument devName leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-269948. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability classified as critical was found in Tenda A301 15.13.08.12. Affected by this vulnerability is the function fromSetWirelessRepeat of the file /goform/SetOnlineDevName. The manipulation of the argument devName 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-269947. 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 ssid parameter in the form_fast_setting_wifi_set function.

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

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

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

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

Tenda AC8 v4 US_AC8V4.0si_V16.03.34.06_cn was discovered to contain a stack overflow via parameter macFilterType and parameter deviceList at /goform/setMacFilterCfg.

Tenda AX3 V16.03.12.11 was discovered to contain a stack overflow via the shareSpeed parameter at /goform/WifiGuestSet.

A vulnerability was determined in Tenda CH22 1.0.0.1. Affected by this issue is the function fromIpsecitem of the file /goform/IPSECsave of the component httpd. Executing manipulation of the argument ipsecno can lead to stack-based buffer overflow. The attack may be performed from remote.

Tenda F1202 V1.2.0.9 and FH1202 V1.2.0.9 were discovered to contain a stack overflow via the mit_ssid parameter in the formWrlsafeset function.

Tenda AC10 V1.0 V15.03.06.23, AC1206 V15.03.06.23, AC8 v4 V16.03.34.06, AC6 V2.0 V15.03.06.23, AC7 V1.0 V15.03.06.44, AC5 V1.0 V15.03.06.28, AC9 V3.0 V15.03.06.42_multi and AC10 v4.0 V16.03.10.13 were discovered to contain a stack overflow via the list parameter in the formSetVirtualSer function.

A weakness has been identified in Tenda AC20 16.03.08.05. This vulnerability affects unknown code of the file /goform/fromAdvSetMacMtuWan. This manipulation of the argument wanMTU causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be exploited.

A vulnerability was found in Tenda AC20 16.03.08.12. This vulnerability affects the function save_virtualser_data of the file /goform/formSetVirtualSer. The manipulation of the argument list leads to stack-based buffer overflow. The attack can be initiated 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 speed_dir parameter in the formSetSpeedWan function.

Tenda F1202 V1.0BR_V1.2.0.20(408), FH1202_V1.2.0.19_EN were discovered to contain a stack overflow in the page parameter in the function frmL7ProtForm.

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

Tenda F1202 V1.0BR_V1.2.0.20(408), FH1202_V1.2.0.19_EN were discovered to contain a stack overflow in the page parameter in the function fromSafeClientFilter.

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

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

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

Tenda W18E V16.01.0.8(1576) contains a stack overflow vulnerability via the portMirrorMirroredPorts parameter in the formSetNetCheckTools function.

An issue was discovered on Tenda AC11 devices with firmware through 02.03.01.104_CN. A stack buffer overflow vulnerability in /gofrom/setwanType allows attackers to execute arbitrary code on the system via a crafted post request. This occurs when input vector controlled by malicious attack get copied to the stack variable.