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

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.

A command injection vulnerability exists in Tenda AC18 V15.03.05.05multi. The vulnerability is located in the /goform/SetSambaCfg interface, where improper handling of the guestuser parameter allows attackers to execute arbitrary system commands.

A vulnerability was determined in Tenda AC19 16.03.10.07. Affected by this issue is the function saveParentControlInfo of the file /goform/saveParentControlInfo. This manipulation of the argument deviceId causes heap-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

Tenda G3 v3.0brV15.11.0.17 was discovered to contain a stack overflow in the bindDhcpIndex parameter in the modifyDhcpRule function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Tenda G3 v3.0brV15.11.0.17 was discovered to contain a stack overflow in the pPppUser parameter in the getsinglepppuser function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Tenda G3 v3.0brV15.11.0.17 was discovered to contain a stack overflow in the delDhcpIndex parameter in the formDelDhcpRule function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Tenda G3 v3.0brV15.11.0.17 was discovered to contain a stack overflow in the portMappingIndex parameter in the formDelPortMapping function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Tenda G3 v3.0brV15.11.0.17 was discovered to contain a stack overflow in the vpnUsers parameter in the formAddVpnUsers function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Tenda G3 v3.0brV15.11.0.17 was discovered to contain a stack overflow in the staticRouteGateway parameter in the formSetStaticRoute function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Tenda G3 v3.0brV15.11.0.17 was discovered to contain a stack overflow in the gstUp parameter in the guestWifiRuleRefresh function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

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

Tenda G3 v3.0brV15.11.0.17 was discovered to contain a stack overflow in the pppoeServerWhiteMacIndex parameter in the formModifyPppAuthWhiteMac function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

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.

Tenda CP3 Pro Firmware V22.5.4.93 contains a hardcoded root password hash in the /etc/passwd file and /etc/passwd-. An attacker with access to the firmware image can extract and attempt to crack the root password hash, potentially obtaining administrative access

Tenda AC8 v16.03.34.06 is vulnerable to Buffer Overflow in the formWifiBasicSet function via the parameter security or security5g.

Tenda G3 v3.0brV15.11.0.17 was discovered to contain a stack overflow in the dhcpIndex parameter in the addDhcpRule function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Tenda G3 v3.0brV15.11.0.17 was discovered to contain a stack overflow in the listStr parameter in the ipMacBindListStore function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Tenda G3 v3.0brV15.11.0.17 was discovered to contain multiple stack overflows in the formSetDebugCfg function via the pEnable, pLevel, and pModule parameters. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Tenda G3 v3.0brV15.11.0.17 was discovered to contain multiple stack overflows in the formIPMacBindModify function via the ruleId, ip, mac, v6 and remark parameters. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

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

Tenda G3 v3.0brV15.11.0.17 was discovered to contain a stack overflow in the rules parameter in the dnsforwardrulestore function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

An issue was discovered in Tenda AC6 USAC6V1.0BRV15.03.05.16multiTD01 allowing attackers to cause a denial of service via the funcname, funcpara1, funcpara2 parameters to the formSetCfm function (uri path: SetCfm).

Tenda AC6 router firmware 15.03.05.19 contains a command injection vulnerability in the formSetIptv function, which processes requests to the /goform/SetIPTVCfg web interface. When handling the list and vlanId parameters, the subADBC0 helper function concatenates these user-supplied values into nvram set system commands using doSystemCmd, without validating or sanitizing special characters (e.g., ;, ", #). An unauthenticated or authenticated attacker can exploit this by submitting a crafted POST request, leading to arbitrary system command execution on the affected device.

OS Command injection vulnerability in Tenda AC9 1.0 was discovered to contain a command injection vulnerability via the usb.samba.guest.user parameter in the formSetSambaConf function of the httpd file.

Buffer overflow vulnerability in Tenda AC9 1.0 via the user supplied sys.vendor configuration value.

Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the mac parameter in the fromAdvSetMacMtuWan function.

Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the wanSpeed parameter in the fromAdvSetMacMtuWan function.

Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the wanMTU parameter in the fromAdvSetMacMtuWan function.

Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the cloneType parameter in the fromAdvSetMacMtuWan function.