Tenda W3002R/A302/W309R wireless routers version V5.07.64_en contain a cookie session weakness vulnerability that allows unauthenticated attackers to modify DNS settings by exploiting insufficient session validation. Attackers can send GET requests to the /goform/AdvSetDns endpoint with a crafted admin language cookie to change primary and secondary DNS servers, redirecting user traffic to malicious DNS servers.

Tenda FH303/A300 firmware V5.07.68_EN contains a session weakness vulnerability that allows unauthenticated attackers to modify DNS settings by exploiting insufficient cookie validation. Attackers can send GET requests to the /goform/AdvSetDns endpoint with a crafted admin cookie to change DNS servers and redirect user traffic to malicious sites.

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

Tenda AX12 v22.03.01.21_CN was discovered to contain a stack overflow via the list parameter at /goform/SetNetControlList.

A vulnerability was found in Tenda AC1206 up to 15.03.06.23. It has been declared as critical. This vulnerability affects the function formSetCfm of the file /goform/setcfm. The manipulation leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Tenda AC5 US_AC5V1.0RTL_V15.03.06.28 was discovered to contain a stack overflow via the setSchedWifi function. This vulnerability allows attackers to cause a Denial of Service (DoS) or execute arbitrary code via a crafted payload.

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

A vulnerability was determined in Tenda i6 1.0.0.7(2204). Affected by this issue is the function R7WebsSecurityHandlerfunction of the component HTTP Handler. This manipulation causes path traversal. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.

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

There is a stack overflow vulnerability in the SetSysTimeCfg() function in the httpd service of Tenda AC9 V15.03.2.21_cn. The attacker can obtain a stable root shell through a constructed payload.

A vulnerability was identified in Tenda i9 1.0.0.5(2204). This vulnerability affects the function R7WebsSecurityHandlerfunction of the component HTTP Handler. The manipulation leads to path traversal. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.

A vulnerability was determined in Tenda i12 1.0.0.11(3862). The impacted element is an unknown function of the component HTTP Handler. Executing a manipulation can lead to path traversal. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.

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

A vulnerability has been found in Tenda A15 15.13.07.13. The impacted element is the function UploadCfg of the file /cgi-bin/UploadCfg. The manipulation of the argument File 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 M3 1.10 V1.0.0.12(4856) was discovered to contain a command injection vulnerability via the component /goform/setFixTools.

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

Tenda AC18 V15.03.05.19 is vulnerable to Buffer Overflow via /goform/formWifiBasicSet.

Tenda AC18 V15.03.05.19 is vulnerable to Buffer Overflow. via function formWifiWpsOOB.

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

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 i29 v1.0 V1.0.0.5 was discovered to contain a buffer overflow via the bandwidth parameter in the wifiRadioSetIndoor function.

A security flaw has been discovered in Tenda AC6 15.03.06.49_multi_TDE01. Affected is the function fromSetWirelessRepeat of the file /goform/WifiExtraSet of the component httpd. Performing a manipulation of the argument mac/ssid results in os command injection. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.

Tenda AX3 V16.03.12.11 was discovered to contain a Command Execution vulnerability via the function /goform/telnet.

Tenda W30E V16.01.0.12(4843) was discovered to contain a Command Execution vulnerability via the function /goform/telnet.

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.

An issue was discovered on Tenda AC7 devices with firmware through V15.03.06.44_CN(AC7), AC9 devices with firmware through V15.03.05.19(6318)_CN(AC9), and AC10 devices with firmware through V15.03.06.23_CN(AC10). A command Injection vulnerability allows attackers to execute arbitrary OS commands via a crafted goform/setUsbUnload request. This occurs because the "formsetUsbUnload" function executes a dosystemCmd function with untrusted input.

An issue in the handler function in /goform/telnet of Tenda FH1206 v02.03.01.35 allows attackers to execute arbitrary commands via a crafted HTTP request.

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

Tenda W30E V2.0 V16.01.0.21 was found to contain a command injection vulnerability in the formSetUSBPartitionUmount function via the usbPartitionName parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

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

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

Tenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the firewallEn parameter in the formSetFirewallCfg function.

Tenda AC6 v15.03.05.09_multi 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 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 URLs parameter in the saveParentControlInfo 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 AC6 V15.03.05.09_multi was discovered to contain a stack overflow via the list parameter in the setstaticroutecfg function.

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

A security flaw has been discovered in Tenda AC15 up to 15.13.07.13. Affected by this issue is some unknown functionality of the file /goform/TextEditingConversion. The manipulation of the argument wpapsk_crypto2_4g results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.

A security flaw has been discovered in Tenda 4G03 Pro up to 1.0/1.1/04.03.01.53/192.168.0.1. Affected by this vulnerability is an unknown functionality of the file /bin/httpd. The manipulation results in improper access controls. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks.

Tenda AC9 v15.03.2.21 was discovered to contain a remote command execution (RCE) vulnerability via the SetIPTVCfg 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 S1 parameter in the SetSysTimeCfg 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.

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

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

A vulnerability was found in Tenda F453 1.0.0.3. This impacts the function fromP2pListFilter of the file /goform/P2pListFilterof of the component httpd. The manipulation of the argument page results in buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used.

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

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