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
- 7.2 High severity
AC9: Improper Restriction of Operations within the Bounds of a Memory Buffer
A security vulnerability has been detected in Tenda AC9 15.03.06.42_multi. Affected by this vulnerability is the function formGetRebootTimer. Such manipulation of the argument sys.schedulereboot.start_time/sys.schedulereboot.end_time leads to stack-based buffe
- 7.2 High severity
AC9: Improper Restriction of Operations within the Bounds of a Memory Buffer
A weakness has been identified in Tenda AC9 15.03.06.42_multi. Affected is the function formGetDdosDefenceList. This manipulation of the argument security.ddos.map causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been m
- 8.8 High severity
RX3: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was found in Tenda RX3 16.03.13.11. The affected element is the function set_qosMib_list of the file /goform/formSetQosBand. Performing a manipulation of the argument list results in stack-based buffer overflow. It is possible to initiate the a
- 8.8 High severity
RX3: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability has been found in Tenda RX3 16.03.13.11. Impacted is the function fromSetIpMacBind of the file /goform/SetIpMacBind. Such manipulation of the argument list leads to stack-based buffer overflow. The attack may be performed from remote. The explo
- 8.8 High severity
RX3: Improper Restriction of Operations within the Bounds of a Memory Buffer
A flaw has been found in Tenda RX3 16.03.13.11. This issue affects the function set_device_name of the file /goform/setBlackRule of the component MAC Filtering Configuration Endpoint. This manipulation of the argument devName/mac causes stack-based buffer over
- 8.8 High severity
RX3: Improper Restriction of Operations within the Bounds of a Memory Buffer
A security flaw has been discovered in Tenda RX3 16.03.13.11. Affected by this vulnerability is an unknown functionality of the file /goform/openSchedWifi. Performing a manipulation of the argument schedStartTime/schedEndTime results in stack-based buffer over
- 8.8 High severity
RX3: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was identified in Tenda RX3 16.03.13.11. Affected is an unknown function of the file /goform/fast_setting_wifi_set. Such manipulation of the argument ssid_5g leads to stack-based buffer overflow. The attack can be launched remotely. The exploit
- 7.5 High severity
AC21: Exposure of Sensitive Information to an Unauthorized Actor
A security vulnerability has been detected in Tenda AC21 16.03.08.16. Affected is an unknown function of the file /cgi-bin/DownloadFlash of the component Web Management Interface. The manipulation leads to information disclosure. It is possible to initiate the
- 8.8 High severity
TX9: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was identified in Tenda TX9 up to 22.03.02.10_multi. Affected by this issue is the function sub_4223E0 of the file /goform/setMacFilterCfg. Such manipulation of the argument deviceList leads to buffer overflow. The attack may be launched remote
- 8.8 High severity
TX9: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was determined in Tenda TX9 up to 22.03.02.10_multi. Affected by this vulnerability is the function sub_432580 of the file /goform/fast_setting_wifi_set. This manipulation of the argument ssid causes buffer overflow. The attack may be initiated
- 8.8 High severity
TX9: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was found in Tenda TX9 up to 22.03.02.10_multi. Affected is the function sub_42D03C of the file /goform/SetStaticRouteCfg. The manipulation of the argument list results in buffer overflow. The attack can be launched remotely. The exploit has be
- 8.8 High severity
TX3: Buffer Copy without Checking Size of Input
A vulnerability has been found in Tenda TX3 up to 16.03.13.11_multi. This impacts an unknown function of the file /goform/SetIpMacBind. The manipulation of the argument list leads to buffer overflow. The attack can be initiated remotely. The exploit has been d
- 8.8 High severity
Tenda G300-F: Improper Neutralization of Special Elements used in an OS Command
Tenda G300-F router firmware version 16.01.14.2 and prior contain an OS command injection vulnerability in the WAN diagnostic functionality (formSetWanDiag). The implementation constructs a shell command that invokes curl and incorporates attacker-controlled i
- 7.3 High severity
HG10: Improper Neutralization of Special Elements in Output Used by a Downstream Component
A vulnerability was detected in Tenda HG10 US_HG7_HG9_HG10re_300001138_en_xpon. The impacted element is the function checkUserFromLanOrWan of the file /boaform/admin/formLogin of the component Login Interface. The manipulation of the argument Host results in c
- 7.3 High severity
HG10: Improper Neutralization of Special Elements in Output Used by a Downstream Component
A weakness has been identified in Tenda HG10 US_HG7_HG9_HG10re_300001138_en_xpon. Impacted is an unknown function of the file /boaform/formSamba of the component Boa Webserver. Executing a manipulation of the argument serverString can lead to command injection
- 8.8 High severity
AC21: Improper Neutralization of Special Elements used in a Command
A security flaw has been discovered in Tenda AC21 1.1.1.1/1.dmzip/16.03.08.16. The impacted element is the function mDMZSetCfg of the file /goform/mDMZSetCfg. The manipulation of the argument dmzIp results in command injection. The attack can be executed remot
- 8.8 High severity
AC21: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was identified in Tenda AC21 16.03.08.16. The affected element is the function fromAdvSetMacMtuWan of the file /goform/AdvSetMacMtuWan. The manipulation leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The ex
- 8.1 High severity
AX12 Pro V2: Use of Hard-coded Password
A vulnerability was found in Tenda AX12 Pro V2 16.03.49.24_cn. Affected by this issue is some unknown functionality of the component Telnet Service. Performing a manipulation results in hard-coded credentials. The attack is possible to be carried out remotely.
- 8.8 High severity
W30E V2: Unverified Password Change
Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) allow account passwords to be changed through the maintenance interface without requiring verification of the existing password. This enables unauthorized password changes when acce
- 9.8 Critical severity
W30E V2: Improper Restriction of Excessive Authentication Attempts
Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) do not enforce rate limiting or account lockout mechanisms on authentication endpoints. This allows attackers to perform unrestricted brute-force attempts against administrative cre
- 7.5 High severity
W30E V2: Insertion of Sensitive Information Into Sent Data
Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) disclose sensitive account credentials in cleartext within HTTP responses generated by the maintenance interface. Because the management interface is accessible over unencrypted HTT
- 9.8 Critical severity
W30E V2: Use of Default Password
Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) ship with a predefined default password for a built-in authentication account that is not required to be changed during initial configuration. An attacker can leverage these default
- 8.8 High severity
W30E V2: Incorrect Authorization
Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) contain an authorization flaw in the user management API that allows a low-privileged authenticated user to change the administrator account password. By sending a crafted request d
- 9.8 Critical severity
AC23: Improper Restriction of Operations within the Bounds of a Memory Buffer
A flaw has been found in Tenda AC23 16.03.07.52. This impacts an unknown function of the file /goform/WifiExtraSet. This manipulation of the argument wpapsk_crypto causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been publ
- 9.8 Critical severity
Ax3 Firmware: Stack-based Buffer Overflow
Tenda AX3 firmware v16.03.12.11 contains a stack-based buffer overflow in the formGetIptv function due to improper handling of the stbpvid stack buffer, which may result in memory corruption and remote code execution.
- 8.8 High severity
AX1803: Improper Restriction of Operations within the Bounds of a Memory Buffer
A flaw has been found in Tenda AX1803 1.0.0.1. The affected element is the function fromGetWifiGuestBasic of the file /goform/WifiGuestSet. Executing a manipulation of the argument guestWrlPwd/guestEn/guestSsid/hideSsid/guestSecurity can lead to stack-based bu
- 9.8 Critical severity
Ax3 Firmware: Stack-based Buffer Overflow
Tenda AX3 firmware v16.03.12.11 contains a stack-based buffer overflow in the formGetIptv function due to improper handling of the citytag stack buffer, which may result in memory corruption and remote code execution.
- 9.8 Critical severity
Ax3 Firmware: Stack-based Buffer Overflow
Tenda AX3 firmware v16.03.12.11 contains a stack overflow in formSetIptv via the vlanId parameter, which can cause memory corruption and enable remote code execution.
- 9.8 Critical severity
Ax3 Firmware: Stack-based Buffer Overflow
Tenda AX3 firmware v16.03.12.11 contains a stack overflow in formSetIptv via the list parameter, which can cause memory corruption and enable remote code execution.
- 7.5 High severity
Ax1803 Firmware: Stack-based Buffer Overflow
Tenda AX1803 v1.0.0.1 was discovered to contain a stack overflow in the security_5g parameter of the sub_727F4 function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- 7.5 High severity
Ax1803 Firmware: Stack-based Buffer Overflow
Tenda AX1803 v1.0.0.1 was discovered to contain a stack overflow in the security parameter of the sub_72290 function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- 7.5 High severity
Ax1806 Firmware: Stack-based Buffer Overflow
Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the time parameter of the sub_60CFC function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- 7.5 High severity
Ax1803 Firmware: Stack-based Buffer Overflow
Tenda AX-1803 v1.0.0.1 was discovered to contain a stack overflow in the ssid parameter of the form_fast_setting_wifi_set function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- 7.5 High severity
Ax1806 Firmware: Stack-based Buffer Overflow
Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the deviceList parameter of the formSetMacFilterCfg function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- 7.5 High severity
Ax1806 Firmware: Stack-based Buffer Overflow
Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the deviceList parameter of the formSetWifiMacFilterCfg function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- 7.5 High severity
Ax1806 Firmware: Stack-based Buffer Overflow
Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the security parameter of the sub_4C408 function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- 7.5 High severity
Ax1806 Firmware: Stack-based Buffer Overflow
Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the timeZone parameter of the fromSetSysTime function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- 7.5 High severity
Ax1806 Firmware: Stack-based Buffer Overflow
Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the mac parameter of the sub_65B5C function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- 7.5 High severity
Ax1806 Firmware: Stack-based Buffer Overflow
Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the wanSpeed parameter of the sub_65B5C function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- 7.5 High severity
Ax1806 Firmware: Stack-based Buffer Overflow
Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the cloneType parameter of the sub_65B5C function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.