There is a stack overflow vulnerability in the SetStaticRouteCfg() function in the httpd service of Tenda AC9 15.03.2.21_cn.

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 M3 1.10 V1.0.0.12(4856) was discovered to contain a command injection vulnerability via the component /goform/delAd.

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

Tenda M3 1.10 V1.0.0.12(4856) was discovered to contain a command injection vulnerability via the component /cgi-bin/uploadWeiXinPic.

Tenda AC Series Router AC18_V15.03.05.19(6318) was discovered to contain a heap overflow in the httpd module when handling /goform/saveParentControlInfo request.

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.

Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) do not enforce rate limiting or account lockout mechanisms on authentication endpoints. This allows attackers to perform unrestricted brute-force attempts against administrative credentials.

Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) ship with a predefined default password for a built-in authentication account that is not required to be changed during initial configuration. An attacker can leverage these default credentials to gain authenticated access to the management interface.

A vulnerability was found in Tenda AC500 2.0.1.9(1307). It has been rated as critical. This issue affects the function formSetCfm of the file /goform/setcfm. The manipulation of the argument funcpara1 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-261143. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Tenda M3 1.10 V1.0.0.12(4856) was discovered to contain a command injection vulnerability via the component /goform/setFixTools.

Tenda W30E V16.01.0.19 (5037) was discovered to contain a stack overflow in the v17 parameter in the UploadCfg function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

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.

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.

Tenda AC9 v15.03.2.21 was discovered to contain a stack overflow via the list parameter in the SetVirtualServerCfg function.

A vulnerability was determined in Tenda AC1206 15.03.06.23. Affected by this issue is the function formBehaviorManager of the file /goform/BehaviorManager of the component httpd. Executing a manipulation of the argument modulename/option/data/switch can lead to command injection. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.

A flaw has been found in Tenda M3 1.0.0.12. Affected is the function formQuickIndex of the file /goform/QuickIndex. Executing manipulation of the argument PPPOEPassword can lead to stack-based buffer overflow. The attack can be launched remotely. The exploit has been published and may be used.

A vulnerability was determined in Tenda AC20 16.03.08.12. This issue affects the function sub_48E628 of the file /goform/SetIpMacBind. 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.

A vulnerability has been found in Tenda AC20 16.03.08.12. This affects the function set_qosMib_list of the file /goform/SetNetControlList of the component SetNetControlList Endpoint. The manipulation of the argument list 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 v15.03.05.09_multi was discovered to contain a stack overflow via the cmdinput parameter in the exeCommand function.

A vulnerability was identified in Tenda AC20 16.03.08.12. Affected is the function websFormDefine of the file /goform/telnet of the component Telnet Service. The manipulation leads to command injection. 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 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.

A vulnerability has been found in Tenda M3 1.0.0.12. Affected by this vulnerability is the function formGetMasterPassengerAnalyseData of the file /goform/getMasterPassengerAnalyseData. 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.

A security vulnerability has been detected in Tenda AC21 and AC23 16.03.08.16. Affected is the function GetParentControlInfo of the file /goform/GetParentControlInfo. Such manipulation of the argument mac leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed publicly and may be used.

Tenda AX3 firmware v16.03.12.11 contains a stack overflow in formSetIptv via the vlanId parameter, which can cause memory corruption and enable remote code execution.

Tenda AX3 firmware v16.03.12.11 contains a stack-based buffer overflow in the formGetIptv function due to improper handling of the citytag stack buffer, which may result in memory corruption and remote code execution.

Tenda O3V2 v1.0.0.12(3880) was discovered to contain a Blind Command Injection via stpEn parameter in the SetStp function. This vulnerability allows attackers to execute arbitrary commands with root privileges.

Tenda M3 V1.0.0.12(4856) was discovered to contain a stack overflow via the function fromSetLocalVlanInfo.

Tenda AX1803 v1.0.0.1 contains a stack overflow via the adv.iptv.stbpvid parameter in the function setIptvInfo.

Tenda i29 v1.0 V1.0.0.5 was discovered to contain a command injection vulnerability via the pingSet function.

Tenda AX1803 v1.0.0.1 contains a stack overflow via the iptv.city.vlan parameter in the function formGetIptv.

Tenda AX3 v16.03.12.11 was discovered to contain a remote code execution (RCE) vulnerability via the list parameter at /goform/SetNetControlList.

Tenda i29 v1.0 V1.0.0.5 was discovered to contain a buffer overflow via the ip parameter in the spdtstConfigAndStart function.

Tenda AX1803 v1.0.0.1 contains a stack overflow via the adv.iptv.stbpvid parameter in the function formGetIptv.

Tenda AX3 firmware v16.03.12.11 contains a stack-based buffer overflow in the formGetIptv function due to improper handling of the stbpvid stack buffer, which may result in memory corruption and remote code execution.

Tenda AX1803 v1.0.0.1 contains a stack overflow via the iptv.city.vlan parameter in the function formSetIptv

Tenda AX1803 v1.0.0.1 was discovered to contain a command injection vulnerability via the function fromAdvSetLanIp.

Tenda M3 V1.0.0.12(4856) was discovered to contain a stack overflow via the function upgrade.

Tenda AX1803 v1.0.0.1 contains a stack overflow via the iptv.stb.mode parameter in the function formSetIptv.

Tenda AX1803 v1.0.0.1 contains a stack overflow via the iptv.city.vlan parameter in the function getIptvInfo.

Tenda AC1206 V15.03.06.23 was discovered to contain a stack overflow via the startIp parameter in the function formSetPPTPServer.

Tenda AX1803 v1.0.0.1 contains a stack overflow via the adv.iptv.stballvlans parameter in the function setIptvInfo.

Tenda M3 1.10 V1.0.0.12(4856) was discovered to contain a command injection vulnerability via the component /goform/exeCommand.

Tenda AX1803 v1.0.0.1 contains a stack overflow via the adv.iptv.stballvlans parameter in the function formSetIptv.

Tenda W9 V1.0.0.7(4456)_CN was discovered to contain a command injection vulnerability via the function formGetDiagnoseInfo .

Tenda W9 V1.0.0.7(4456)_CN was discovered to contain a command injection vulnerability via the function formSetDiagnoseInfo .

Tenda AX1803 v1.0.0.1 contains a stack overflow via the adv.iptv.stbpvid parameter in the function getIptvInfo.

Tenda AX1803 v1.0.0.1 contains a stack overflow via the adv.iptv.stballvlans parameter in the function getIptvInfo.

Tenda AX1803 v1.0.0.1 contains a stack overflow via the iptv.stb.mode parameter in the function setIptvInfo.

Tenda AX1803 v1.0.0.1 contains a stack overflow via the adv.iptv.stbpvid parameter in the function formSetIptv.