Tenda AC6(AC1200) v5.0 Firmware v02.03.01.114 and below contains a vulnerability which allows attackers to remove the Wi-Fi password and force the device into open security mode via a crafted packet sent to goform/setWizard.

Tenda AC6(AC1200) v5.0 Firmware v02.03.01.114 and below contains an issue in the component /cgi-bin/DownloadFlash which allows attackers to steal all data such as source code and system files via a crafted GET request.

Tenda AC9 V15.03.2.13 is vulnerable to Buffer Overflow via httpd, formfastsettingwifiset. httpd.

Tenda AC23 v16.03.07.44 is vulnerable to Stack Overflow that will allow for the execution of arbitrary code (remote).

Tenda AC23 v16.03.07.44 was discovered to contain a stack overflow via the security5g parameter in the function formWifiBasicSet.

Tenda AC23 v16.03.07.44 was discovered to contain a buffer overflow via fromAdvSetMacMtuWan.

Buffer Overflow vulnerability in Tenda AC9 V1.0 through V15.03.05.19(6318), and AC9 V3.0 V15.03.06.42multi, allows attackers to execute arbitrary code via the urls parameter.

Buffer Overflow vulnerability in Tenda AC9 V1.0 through V15.03.05.19(6318), and AC9 V3.0 V15.03.06.42multi, allows attackers to execute arbitrary code via the index parameter.

Tenda AC9 v15.03.05.19(6318) was discovered to contain a buffer overflow via the formWifiWpsOOB function.

A vulnerability classified as critical was found in Tenda A301 15.13.08.12. Affected by this vulnerability is the function fromSetWirelessRepeat of the file /goform/SetOnlineDevName. The manipulation of the argument devName 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 associated identifier of this vulnerability is VDB-269947. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability, which was classified as critical, has been found in Tenda A301 15.13.08.12. Affected by this issue is the function formWifiBasicSet 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 identifier of this vulnerability is VDB-269948. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability was found in Tenda A301 15.13.08.12. It has been classified as critical. Affected is the function fromSetWirelessRepeat of the file /goform/WifiExtraSet. The manipulation of the argument wpapskcrypto leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-269160. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

An issue in Shenzen Tenda Technology CP3V2.0 V11.10.00.2311090948 allows a local attacker to obtain sensitive information via the password component.

Tenda AC10 v15.03.06.26 was discovered to contain a command injection vulnerability via the mac parameter in the function formWriteFacMac.

Tenda AC15 and AC18 routers V15.03.05.19 contain stack overflow vulnerabilities in the function fromDhcpListClient with a combined parameter "list" ("%s%d","list").

Tenda AC15 and AC18 routers V15.03.05.19 contain stack overflow vulnerabilities in the function setSmartPowerManagement with the request /goform/PowerSaveSet

Tenda AC15 and AC18 routers V15.03.05.19 contain heap overflow vulnerabilities in the function setSchedWifi with the request /goform/openSchedWifi/

Tenda AC15 router V15.03.05.19 contains a stack overflow vulnerability in the function formSetQosBand->FUN0007dd20 with request /goform/SetNetControlList

Tenda AC15 and AC18 router V15.03.05.19 contains stack overflow vulnerability in the function fromNatStaticSetting with the request /goform/NatStaticSetting

Tenda AC15 router V15.03.05.19 contains a stack overflow via the list parameter at /goform/fastsettingwifiset

Stack-based Buffer Overflow in httpd on Tenda AC9 devices V15.03.05.14EN allows remote attackers to cause a denial of service or possibly have unspecified other impact.

A remote, unauthenticated attacker can gain remote code execution on the the Tenda AC15 router with a specially crafted password parameter for the COOKIE header.

An issue was discovered on Tenda AC15 devices. A remote, unauthenticated attacker can make a request to /goform/telnet, creating a telnetd service on the device. This service is password protected; however, several default accounts exist on the device that are root accounts, which can be used to log in.

An issue was discovered on Tenda AC15 V15.03.1.16multi devices. A remote, unauthenticated attacker can gain remote code execution on the device with a crafted password parameter for the COOKIE header.

A vulnerability has been found in Tenda AC10U 15.03.06.49multiTDE01 and classified as critical. This vulnerability affects the function 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. VDB-252130 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability was found in Tenda AC10U 15.03.06.49multiTDE01. It has been declared as critical. Affected by this vulnerability is the function fromDhcpListClient. The manipulation of the argument page/listN 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-252133 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability classified as critical was found in Tenda AC10U 15.03.06.49multiTDE01. Affected by this vulnerability is the function formQuickIndex. The manipulation of the argument PPPOEPassword 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 associated identifier of this vulnerability is VDB-252127. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability, which was classified as critical, has been found in Tenda AC10U 15.03.06.49multiTDE01. Affected by this issue is the function formSetDeviceName. 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 identifier of this vulnerability is VDB-252128. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability classified as critical was found in Tenda AC10U 15.03.06.49multiTDE01. This vulnerability affects the function saveParentControlInfo. The manipulation of the argument deviceId/time/urls leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-252136. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability was found in Tenda AC10U 15.03.06.49multiTDE01 and classified as critical. This issue affects the function formWifiWpsOOB. The manipulation of the argument index 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-252131. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.