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

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

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

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

Tenda AC9 v15.03.2.21 was discovered to contain multiple stack overflows via the NPTR, V12, V10 and V11 parameter in the Formsetqosband function.

Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the security_5g parameter in the WifiBasicSet function.

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

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

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

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

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

Tenda AC9 V15.03.2.21_cn was discovered to contain a stack overflow via the parameter NPTR.

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

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

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

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

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

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

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

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

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

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

Tenda AC9 v15.03.2.21 was discovered to contain a remote command execution (RCE) vulnerability via the vlanid parameter in the SetIPTVCfg function.

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

Tenda AC9 v15.03.2.21 was discovered to contain a buffer overflow via the time parameter in the saveparentcontrolinfo function.

Tenda AC6 V15.03.05.09_multi was discovered to contain a stack overflow via the list parameter in the SetVirtualServerCfg function.

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

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

Tenda AC9 v15.03.2.21 was discovered to contain a remote command execution (RCE) vulnerability via the SetIPTVCfg function.

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

Tenda AC9 v15.03.2.21_cn was discovered to contain a stack overflow via the time parameter in the PowerSaveSet function.

Tenda AX3 v16.03.12.10_CN was discovered to contain a command injection vulnerability in the function mDMZSetCfg. This vulnerability allows attackers to execute arbitrary commands via the dmzIp parameter.

Tenda AX3 v16.03.12.10_CN was discovered to contain a command injection vulnerability in the function formSetSafeWanWebMan. This vulnerability allows attackers to execute arbitrary commands via the remoteIp parameter.

A hard-coded telnet credential in the tenda_login binary of Tenda AC15 AC1900 version 15.03.05.19 allows unauthenticated remote attackers to start a telnetd service on the device.

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.

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.

Multiple Tenda devices are affected by authentication bypass, such as AC15V1.0 Firmware V15.03.05.20_multi?AC5V1.0 Firmware V15.03.06.48_multi and so on. an attacker can obtain sensitive information, and even combine it with authenticated command injection to implement RCE.

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 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.

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 AX1803 v1.0.0.1 contains a stack overflow via the adv.iptv.stbpvid 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.

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

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

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

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.

The goform/setUsbUnload endpoint of Tenda AC15 AC1900 version 15.03.05.19 allows remote attackers to execute arbitrary system commands via the deviceName POST parameter.