Tenda vulnerabilities
We track 1,180 vulnerabilities in Tenda products across 60+ products. 1,180 are rated high or critical, and 3 have been exploited in real attacks. The most recent was published on November 14, 2026.
Latest Tenda vulnerabilities
- 9.8 Critical severity
Ac7 Firmware: Stack-based Buffer Overflow
A stack-based buffer overflow vulnerability in Tenda AC7 V15.03.06.44 allows a remote attacker to execute arbitrary code through a stack overflow attack using the security parameter of the formWifiBasicSet function.
- 7.5 High severity
Ac6 Firmware: Stack-based Buffer Overflow
A vulnerability was found in Tenda AC6 V15.03.05.16. The vulnerability affects the functionality of the /goform/fast_setting_wifi_set file form_fast_setting_wifi_set. Using the timeZone parameter causes a stack-based buffer overflow.
- 7.1 High severity
Ac9 Firmware: Out-of-bounds Write
In Tenda AC9 v1.0 V15.03.05.14_multi, the wanSpeed parameter of /goform/AdvSetMacMtuWan has a stack overflow vulnerability, which can lead to remote arbitrary code execution.
- 9.8 Critical severity
Ac9 Firmware: Out-of-bounds Write
In Tenda AC9 v1.0 V15.03.05.14_multi, the mac parameter of /goform/AdvSetMacMtuWan has a stack overflow vulnerability, which can lead to remote arbitrary code execution.
- 9.8 Critical severity
Ac9 Firmware: Out-of-bounds Write
In Tenda AC9 v1.0 V15.03.05.14_multi, the cloneType parameter of /goform/AdvSetMacMtuWan has a stack overflow vulnerability, which can lead to remote arbitrary code execution.
- 9.8 Critical severity
Ac9 Firmware: Out-of-bounds Write
In Tenda AC9 v1.0 V15.03.05.14_multi, the wanMTU parameter of /goform/AdvSetMacMtuWan has a stack overflow vulnerability, which can lead to remote arbitrary code execution.
- 7.5 High severity
Rx3 Firmware: Buffer Copy without Checking Size of Input
Tenda RX3 US_RX3V1.0br_V16.03.13.11_multi_TDE01 is vulnerable to buffer overflow via the schedStartTime and schedEndTime parameters at /goform/saveParentControlInfo. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted packet.
- 7.5 High severity
Rx3 Firmware: Buffer Copy without Checking Size of Input
Tenda RX3 US_RX3V1.0br_V16.03.13.11_multi_TDE01 is vulnerable to Buffer Overflow via the list parameter at /goform/setPptpUserList. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted packet.
- 7.5 High severity
Rx3 Firmware: Buffer Copy without Checking Size of Input
Tenda RX3 US_RX3V1.0br_V16.03.13.11_multi_TDE01 is vulnerable to Buffer Overflow via the list parameter at /goform/SetVirtualServerCfg. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted packet.
- 7.5 High severity
Rx3 Firmware: Buffer Copy without Checking Size of Input
Tenda RX3 US_RX3V1.0br_V16.03.13.11_multi_TDE01 is vulnerable to Buffer Overflow via the time and timeZone parameters at /goform/SetSysTimeCfg. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted packet.
- 7.5 High severity
Rx3 Firmware: Buffer Copy without Checking Size of Input
Tenda RX3 US_RX3V1.0br_V16.03.13.11_multi_TDE01 is vulnerable to Buffer Overflow via the deviceId parameter at /goform/saveParentControlInfo. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted packet.
- 7.5 High severity
Rx3 Firmware: Buffer Copy without Checking Size of Input
Tenda RX3 US_RX3V1.0br_V16.03.13.11_multi_TDE01 is vulnerable to Buffer Overflow via the firewallEn parameter at /goform/SetFirewallCfg. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted packet.
- 7.5 High severity
Rx3 Firmware: Improper Resource Shutdown or Release
Tenda RX3 US_RX3V1.0br_V16.03.13.11_multi_TDE01 is vulnerable to Buffer Overflow via the startIp and endIp parameters at /goform/SetPptpServerCfg. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted packet.
- 7.5 High severity
TX3: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability has been found in Tenda TX3 16.03.13.11_multi and classified as critical. Affected by this vulnerability is an unknown functionality of the file /goform/setPptpUserList. The manipulation of the argument list leads to buffer overflow. The attack
- 7.5 High severity
TX3: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability, which was classified as critical, was found in Tenda TX3 16.03.13.11_multi. Affected is an unknown function of the file /goform/openSchedWifi. The manipulation of the argument schedStartTime/schedEndTime leads to buffer overflow. It is possibl
- 7.5 High severity
TX3: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability, which was classified as critical, has been found in Tenda TX3 16.03.13.11_multi. This issue affects some unknown processing of the file /goform/SetNetControlList. The manipulation of the argument list leads to buffer overflow. The attack may b
- 7.5 High severity
TX3: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability classified as critical was found in Tenda TX3 16.03.13.11_multi. This vulnerability affects unknown code of the file /goform/SetStaticRouteCfg. The manipulation of the argument list leads to buffer overflow. The attack can be initiated remotely
- 7.5 High severity
TX3: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability classified as critical has been found in Tenda TX3 16.03.13.11_multi. This affects an unknown part of the file /goform/setMacFilterCfg. The manipulation of the argument deviceList leads to buffer overflow. It is possible to initiate the attack
- 9.8 Critical severity
AC8: Out-of-bounds Write
A vulnerability was found in Tenda AC8 16.03.34.06 and classified as critical. This issue affects the function sub_49E098 of the file /goform/SetIpMacBind of the component Parameter Handler. The manipulation of the argument list leads to stack-based buffer ove
- 8.8 High severity
AC7: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability, which was classified as critical, was found in Tenda AC7 up to 15.03.06.44. This affects the function formSetFirewallCfg of the file /goform/SetFirewallCfg. The manipulation of the argument firewallEn leads to stack-based buffer overflow. It i
- 9.8 Critical severity
AC7 1200M: Improper Neutralization of Special Elements used in an OS Command
A vulnerability, which was classified as critical, was found in Tenda AC7 1200M 15.03.06.44. Affected is the function TendaTelnet of the file /goform/telnet. The manipulation of the argument lan_ip leads to os command injection. It is possible to launch the at
- 9.8 Critical severity
AC6: Out-of-bounds Write
A vulnerability, which was classified as critical, has been found in Tenda AC6 15.03.05.16. Affected by this issue is some unknown functionality of the file /goform/WifiExtraSet. The manipulation of the argument wpapsk_crypto leads to stack-based buffer overfl
- 9.8 Critical severity
Ac10 Firmware: Improper Neutralization of Special Elements used in a Command
Tenda AC10 V1.0 V15.03.06.23 has a command injection vulnerablility located in the formexeCommand function. The str variable receives the cmdinput parameter from a POST request and is later assigned to the cmd_buf variable, which is directly used in the doSyst
- 9.8 Critical severity
Ac8 Firmware: Out-of-bounds Write
A vulnerability was found in Tenda AC8V4 V16.03.34.06. Affected is the function SUB_0046AC38 of the file /goform/WifiExtraSet. The manipulation of the argument wpapsk_crypto leads to stack-based buffer overflow.
- 9.8 Critical severity
O4 Firmware: Buffer Copy without Checking Size of Input
Tenda O4 V3.0 V1.0.0.10(2936) is vulnerable to Buffer Overflow in the function SafeSetMacFilter of the file /goform/setMacFilterList via the argument remark/type/time.
- 8.3 High severity
W18e Firmware: Use of Hard-coded Credentials
Hardcoded credentials in Tenda W18E V16.01.0.8(1625) allows unauthenticated remote attackers to gain root access to the device over the telnet service.
- 8.0 High severity
W18e Firmware: Stack-based Buffer Overflow
A stack overflow vulnerability in the Tenda W18E V16.01.0.8(1625) web management portal allows an authenticated remote attacker to cause a denial of service or potentially execute arbitrary code. This vulnerability occurs due to improper input validation when
- 8.8 High severity
W18e Firmware: Improper Authentication
Tenda W18E V16.01.0.8(1625) suffers from authentication bypass in the web management portal allowing an unauthorized remote attacker to gain administrative access by sending a specially crafted HTTP request.
- 8.8 High severity
W18e Firmware: Use of Hard-coded Credentials
A default credentials vulnerability in Tenda W18E V16.01.0.8(1625) allows unauthenticated remote attackers to access the web management portal using the default rzadmin account with administrative privileges.
- 8.8 High severity
W18e Firmware: Improper Access Control
Tenda W18E V16.01.0.8(1625) is vulnerable to Incorrect Access Control. An attacker can send a specially crafted HTTP POST request to the setQuickCfgWifiAndLogin function, which allows unauthorized changes to WiFi configuration settings and administrative crede
- 8.0 High severity
W18e Firmware: Buffer Copy without Checking Size of Input
Tenda W18E V16.01.0.8(1625) is vulnerable to Buffer Overflow. An attacker with access to the web management portal can exploit this vulnerability by sending specially crafted data to the delWewifiPic function.
- 8.8 High severity
W18e Firmware: Use of Hard-coded Credentials
A hardcoded credentials vulnerability in Tenda W18E V16.01.0.8(1625) allows unauthenticated remote attackers to access the web management portal using a default guest account with administrative privileges.
- 9.8 Critical severity
A18: Out-of-bounds Write
A vulnerability was found in Tenda A18 up to 15.13.07.09. It has been rated as critical. This issue affects the function SetCmdlineRun of the file /goform/SetCmdlineRun of the component HTTP POST Request Handler. The manipulation of the argument wpapsk_crypto5
- 8.8 High severity
AC15: Out-of-bounds Write
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 initiat
- 7.2 High severity
AC8: Improper Neutralization of Special Elements used in an OS Command
A vulnerability, which was classified as critical, has been found in Tenda AC8, AC10 and AC18 16.03.10.20. Affected by this issue is some unknown functionality of the file /goform/telnet of the component HTTP Request Handler. The manipulation leads to command
- 8.8 High severity
Ac8 Firmware: Out-of-bounds Write
Tenda AC8v4 V16.03.34.06 has a stack overflow vulnerability. Affected by this vulnerability is the function setSchedWifi of the file /goform/openSchedWifi. The manipulation of the argument schedStartTime leads to stack-based buffer overflow.
- 9.8 Critical severity
Ac8 Firmware: Out-of-bounds Write
Tenda AC8v4 V16.03.34.06 has a stack overflow vulnerability. Affected by this vulnerability is the function setSchedWifi of the file /goform/openSchedWifi. The manipulation of the argument schedEndTime leads to stack-based buffer overflow.
- 8.1 High severity
Ac6 Firmware: Missing Authorization
Incorrect access control in Tenda AC1200 Smart Dual-Band WiFi Router Model AC6 v2.0 Firmware v15.03.06.50 allows attackers to bypass authentication via a crafted web request.
- 9.8 Critical severity
Ac9 Firmware: Buffer Copy without Checking Size of Input
Tenda ac9 v1.0 firmware v15.03.05.19 contains a stack overflow vulnerability in /goform/SetOnlineDevName, which may lead to remote arbitrary code execution.
- 9.8 Critical severity
AC6: Out-of-bounds Write
A vulnerability classified as critical has been found in Tenda AC6 15.03.05.16. Affected is the function GetParentControlInfo of the file /goform/GetParentControlInfo. The manipulation of the argument src/mac leads to stack-based buffer overflow. It is possibl