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

Tenda AC15 v15.03.05.19 is vulnerable to Command Injection via the handler function in /goform/telnet.

Tenda AC15 V15.03.05.19 contained a stack overflow via the function fromAddressNat.

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.

An issue was discovered in goform/formsetUsbUnload in Tenda AC15V1.0 V15.03.05.18multi. The value of v1 was not checked, potentially leading to a command injection vulnerability if injected into doSystemCmd.

A buffer overflow vulnerability was discovered in goform/formSetMacFilterCfg in Tenda AC15V1.0 V15.03.05.18multi.

An issue was discovered in goform/formSetIptv in Tenda AC15V1.0 V15.03.05.18multi. When the condition is met, s11 will be passed into subB0488, concatenated into doSystemCmd. The value of s11 is not validated, potentially leading to a command injection vulnerability.

A security flaw has been discovered in Tenda AC15 15.03.05.18. Affected is an unknown function of the file /goform/saveAutoQos. Performing a manipulation of the argument enable results in stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks.

A vulnerability was identified in Tenda AC15 15.03.05.18. This impacts an unknown function of the file /goform/setNotUpgrade. Such manipulation of the argument newVersion leads to stack-based buffer overflow. The attack may be launched remotely. The exploit is publicly available and might be used.

A vulnerability was determined in Tenda AC15 15.03.05.18. This affects an unknown function of the file /goform/fastsettingpppoeset. This manipulation of the argument Password causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized.

A vulnerability was found in Tenda AC15 15.03.05.18. The impacted element is an unknown function of the file /goform/SetDDNSCfg of the component POST Parameter Handler. The manipulation of the argument ddnsEn results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.

A vulnerability classified as critical has been found in Tenda AC15 15.13.07.13. This affects the function formSetDevNetName of the file /goform/SetDevNetName. The manipulation of the argument mac 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 AC15 15.03.05.19multi and classified as critical. Affected by this issue is the function formSetPPTPUserList of the file /goform/setPptpUserList of the component HTTP POST Request Handler. The manipulation of the argument list leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

A vulnerability was found in Tenda AC15 15.03.05.19multi. 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.

A vulnerability was found in Tenda AC15 15.03.05.19multi. It has been declared as critical. This vulnerability affects the function formsetschedled of the file /goform/SetLEDCf of the component HTTP POST Request Handler. The manipulation of the argument Time leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

A vulnerability was found in Tenda AC15 15.03.05.19multi. It has been rated as critical. This issue affects the function fromadvsetlanip of the file /goform/AdvSetLanip of the component HTTP POST Request Handler. The manipulation of the argument lanMask leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

A vulnerability was found in Tenda AC15 up to 15.03.05.19 and classified as critical. This issue affects the function fromSetWirelessRepeat of the file /goform/WifiExtraSet. The manipulation of the argument mac leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

A buffer overflow vulnerability has been discovered in Tenda Ac15 V15.13.07.13. The vulnerability occurs when the webCgiGetUploadFile function calls the socketRead function to process HTTP request messages, resulting in the overwriting of a buffer on the stack.

A vulnerability classified as critical was found in Tenda AC15 15.03.05.18/15.03.20multi. This vulnerability affects the function formExpandDlnaFile of the file /goform/expandDlnaFile. The manipulation of the argument filePath 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-257662 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

In Tenda AC15 V15.03.05.19, the function "henanpppoeuser" contains a stack-based buffer overflow vulnerability.

In Tenda AC15 V15.03.05.19, the function "sub8EE8" contains a stack-based buffer overflow vulnerability.

In Tenda AC15 V15.03.05.19, the function "getIfIp" contains a stack-based buffer overflow vulnerability.

In Tenda AC15 V15.03.05.19, the function "subED14" contains a stack-based buffer overflow vulnerability.

Tenda AC15 V15.03.05.19 is vulnerable to Buffer Overflow.

In Tenda AC15 V15.03.05.19, the function GetValue contains a stack-based buffer overflow vulnerability.

In Tenda AC15 V15.03.05.19, the function "xianpppoeuser" contains a stack-based buffer overflow vulnerability.

In Tenda AC15 V15.03.05.19, The function "xkjsver32" contains a stack-based buffer overflow vulnerability.

A vulnerability was found in Tenda AC15 15.03.05.18/15.03.20multi. It has been rated as critical. Affected by this issue is the function formSetSpeedWan of the file /goform/SetSpeedWan. The manipulation of the argument speeddir 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-257660. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability has been found in Tenda AC15 15.03.05.19 and classified as critical. This vulnerability affects the function SetDlnaCfg of the file /goform/SetDlnaCfg. The manipulation of the argument scanList 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 was found in Tenda AC15 15.03.05.19 and classified as critical. This issue affects the function formSetDeviceName of the file /goform/SetOnlineDevName. The manipulation of the argument devName leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.