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

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 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 wifiTime module. This vulnerability allows attackers to cause a Denial of Service (DoS) via crafted overflow data.

Stack-based Buffer Overflow vulnerability in Shenzhen Tenda Technology Co Tenda AC6V2 (setDoubleL2tpConfig->guest_ip_check(overflow arg: mask) modules) allows Overflow Buffers.This issue affects Tenda AC6V2: through 15.03.06.50

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.

Stack-based Buffer Overflow vulnerability in Shenzhen Tenda Technology Co Tenda AC6V2 (setDoublePppoeConfig->guest_ip_check(overflow arg: mask) modules) allows Overflow Buffers.This issue affects Tenda AC6V2: through 15.03.06.50

Stack-based Buffer Overflow vulnerability in Shenzhen Tenda Technology Co Tenda AC6V2 (fromAdvSetLanip(overflow arg:lanMask) modules) allows Overflow Buffers.This issue affects Tenda AC6V2: through 15.03.06.50

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.

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 O6 V3.0 firmware V1.0.0.7(2054) contains a stack overflow vulnerability in the formexeCommand function.

Tenda FH451 v1.0.0.9 has a stack overflow vulnerability located in the RouteStatic function.

Tenda AX1806 v1.0.0.1 contains a stack overflow via the iptv.city.vlan parameter in the function formGetIptv.

Tenda AX1806 v1.0.0.1 contains a stack overflow via the adv.iptv.stballvlans parameter in the function setIptvInfo.

Tenda AX1806 v1.0.0.1 contains a stack overflow via the iptv.stb.port parameter in the function setIptvInfo.

Tenda AX1806 v1.0.0.1 contains a stack overflow via the iptv.city.vlan parameter in the function setIptvInfo.

Tenda AX1806 v1.0.0.1 contains a stack overflow via the iptv.stb.mode parameter in the function formGetIptv.

Tenda AX1806 v1.0.0.1 contains a stack overflow via the adv.iptv.stbpvid parameter in the function setIptvInfo.

Tenda AX1806 v1.0.0.1 contains a stack overflow via the serverName parameter in the function form_fast_setting_internet_set.

Tenda Router W30E V1.0.1.25(633) is vulnerable to Buffer Overflow in function fromRouteStatic via parameters entrys and mitInterface.

Tenda AX1806 v1.0.0.1 contains a stack overflow via the iptv.stb.port parameter in the function formGetIptv.

Tenda AX1806 v1.0.0.1 contains a stack overflow via the adv.iptv.stballvlans parameter in the function formGetIptv.

Tenda AX1806 v1.0.0.1 contains a stack overflow via the adv.iptv.stbpvid parameter in the function formGetIptv.

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

Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the schedendtime parameter in the openSchedWifi function.

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

Tenda FH1201 v1.2.0.14 was discovered to contain a stack-based buffer overflow vulnerability via the entrys parameter at ip/goform/RouteStatic.

Tenda FH1201 v1.2.0.14 was discovered to contain a stack-based buffer overflow vulnerability via the list1 parameter at ip/goform/DhcpListClient.

A vulnerability in /goform/SetNetControlList in the sub_656BC function in Tenda AX1806 1.0.0.1 firmware leads to stack-based buffer overflow.

Tenda FH1201 v1.2.0.14 was discovered to contain a stack-based buffer overflow vulnerability via the mitInterface parameter in ip/goform/RouteStatic

A vulnerability classified as critical was found in Tenda AC500 2.0.1.9(1307). Affected by this vulnerability is the function formexeCommand of the file /goform/execCommand. The manipulation of the argument cmdinput 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 identifier VDB-261145 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Tenda AC10 version US_AC10V4.0si_V16.03.10.13_cn was discovered to contain a stack overflow via the list parameter in the function sub_49E098.

Tenda AC10 version US_AC10V4.0si_V16.03.10.13_cn was discovered to contain a stack overflow via the shareSpeed parameter in the function fromSetWifiGuestBasic.

An issue was discovered on Tenda AC11 devices with firmware through 02.03.01.104_CN. A stack buffer overflow vulnerability in /goform/setVLAN allows attackers to execute arbitrary code on the system via a crafted post request.

Tenda AC10 version US_AC10V4.0si_V16.03.10.13_cn was discovered to contain a stack overflow via the time parameter in the function compare_parentcontrol_time.

Tenda AC18 V15.03.3.10_EN was discovered to contain a stack-based buffer overflow vulnerability via the deviceId parameter at ip/goform/saveParentControlInfo.

Buffer Overflow vulnerability in the function setSchedWifi in Tenda AC9 v.3.0, firmware version v.15.03.06.42_multi allows a remote attacker to cause a denial of service or run arbitrary code via crafted overflow data.

A vulnerability was found in Tenda AC8 16.03.34.09 and classified as critical. Affected by this issue is the function route_static_check of the file /goform/SetStaticRouteCfg. The manipulation of the argument list leads to stack-based buffer overflow. The attack may be launched 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.

Tenda AC10 V15.03.06.23 contains a Stack overflow vulnerability via /goform/formWifiWpsStart.

Tenda AX1806 v1.0.0.1 contains a stack overflow via the iptv.stb.mode parameter in the function setIptvInfo.

A vulnerability was found in Tenda AC1206 up to 20241027. It has been classified as critical. This affects the function ate_Tenda_mfg_check_usb/ate_Tenda_mfg_check_usb3 of the file /goform/ate. The manipulation of the argument arg 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.

A vulnerability was found in Tenda AC6 15.03.05.19 and classified as critical. Affected by this issue is the function formSetDeviceName 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.

Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin is vulnerable to Buffer Overflow via function "fromGetWirelessRepeat."

Tenda AC8 v4 US_AC8V4.0si_V16.03.34.06_cn was discovered to contain a stack overflow via parameter list at /goform/SetNetControlList.

Tenda AC8 v4 US_AC8V4.0si_V16.03.34.06_cn was discovered to contain a stack overflow via parameter list and bindnum at /goform/SetIpMacBind.

Tenda AC7 V1.0 V15.03.06.44 was discovered to contain a stack overflow via parameter security_5g at url /goform/WifiBasicSet.

A vulnerability has been found in Tenda W9 1.0.0.7(4456) and classified as critical. This vulnerability affects the function formQosManage_auto of the component httpd. The manipulation of the argument ssidIndex 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-250708. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.