CyberSecBulletin

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.

1,180vulnerabilities
348critical
832high
3exploited
8.8average CVSS score

Latest Tenda vulnerabilities

  • 9.1 Critical severity

    AC18: Insufficient Verification of Data Authenticity

    CVE-2026-129258Tenda

    A vulnerability was identified in Tenda AC18 15.03.05.05_multi/15.03.05.19 Build 6318. Affected by this vulnerability is an unknown functionality of the file /cgi-bin/upgrade of the component Firmware Upgrade Handler. Such manipulation of the argument upgradeF

  • 10.0 Critical severity

    AC19: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-123966TendaEPSS 1.02%

    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 possib

  • 7.2 High severity

    W18E: Improper Neutralization of Special Elements used in an OS Command

    CVE-2026-118238TendaEPSS 1.54%

    The Tenda W18E web management server is vulnerable to OS command injection via the "diagnose" packet-capture feature due to improper validation of JSON fields. An authenticated user can inject shell metacharacters into the protocol or targetDevice fields, whic

  • 9.9 Critical severity

    BE3L Pro: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-114268Tenda

    A flaw has been found in Tenda BE3L Pro 16.03.60.62. Affected by this vulnerability is the function formWifiBasicSet of the file /goform/WifiBasicSet. This manipulation of the argument security_5g causes buffer overflow. It is possible to initiate the attack r

  • 10.0 Critical severity

    AC19: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-113744Tenda

    A security vulnerability has been detected in Tenda AC19 16.03.10.07. The impacted element is the function formSetFirewallCfg of the file /goform/SetFirewallCfg of the component httpd Web Management Service. Such manipulation of the argument firewallEn leads t

  • 9.9 Critical severity

    AC5: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-105778Tenda

    A vulnerability has been found in Tenda AC5 02.03.01.111_multi. Affected by this issue is some unknown functionality of the file /goform/setWifi of the component Wifi Handler. Such manipulation of the argument wifiPwd leads to stack-based buffer overflow. It i

  • 9.1 Critical severity

    AC9: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-104611Tenda

    A vulnerability was detected in Tenda AC9 15.03.02.13. Affected is an unknown function of the file /goform/fast_setting_internet_set of the component POST Request Handler. Performing a manipulation of the argument netWanType results in stack-based buffer overf

  • 10.0 Critical severity

    HG7: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-104610Tenda

    A security vulnerability has been detected in Tenda HG7, HG9 and HG10 300001138_en_xpon. This impacts the function boaGetVar of the file /boaform/formLoopBack of the component Boa Web Server. Such manipulation of the argument Ethtype leads to stack-based buffe

  • 8.8 High severity

    W20E: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-90689Tenda

    A security flaw has been discovered in Tenda W20E 15.11.0.61068_1546_841_CN_TDC. Impacted is the function formDelWebAuthWhiteUser. Performing a manipulation of the argument webAuthWhiteUserIndex results in stack-based buffer overflow. The attack can be initiat

  • 7.3 High severity

    AC9: Improper Authentication

    CVE-2026-86300Tenda

    A flaw has been found in Tenda AC9 15.03.05.14. This impacts the function R7WebsSecurityHandler of the component Web Management. This manipulation causes improper authentication. The attack may be initiated remotely. The exploit has been published and may be u

  • 9.9 Critical severity

    HG10: Improper Neutralization of Special Elements used in a Command

    CVE-2026-86167TendaEPSS 2.73%

    A vulnerability was identified in Tenda HG10 300001138. Impacted is the function formgponConf of the file /boaform/admin/formgponConf of the component Boa. The manipulation of the argument fmgpon_loid leads to os command injection. Remote exploitation of the a

  • 8.8 High severity

    HG10: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-86166Tenda

    A vulnerability was determined in Tenda HG10 300001138. This issue affects the function formWanRedirect of the file /boaform/formWanRedirect of the component Boa Web Server. Executing a manipulation of the argument if can lead to buffer overflow. The attack ma

  • 9.8 Critical severity

    HG10: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-86165TendaEPSS 1.13%

    A vulnerability was found in Tenda HG10 300001138. This vulnerability affects the function formURL of the file /boaform/admin/formURL. Performing a manipulation of the argument Keywd/urlFQDN results in buffer overflow. The attack may be initiated remotely. The

  • 9.1 Critical severity

    CP3: Incorrect Privilege Assignment

    CVE-2026-86153Tenda

    A vulnerability has been found in Tenda CP3 27.5.57.101. This affects the function CRedirServer::SetRedirectEnable of the file Functions/Redirect.cpp. The manipulation leads to improper privilege management. Remote exploitation of the attack is possible.

  • 10.0 Critical severity

    CP3: Improper Neutralization of Special Elements used in a Command

    CVE-2026-86152TendaEPSS 2.88%

    A flaw has been found in Tenda CP3 27.5.57.101. The impacted element is the function CAutoAddWifi::ThreadProc of the file Functions/AutoAddWifi.cpp of the component Kylin. Executing a manipulation can lead to os command injection. The attack may be launched re

  • 9.1 Critical severity

    CP3: Improper Neutralization of Special Elements used in a Command

    CVE-2026-86151TendaEPSS 2.94%

    A vulnerability was detected in Tenda CP3 27.5.57.101. The affected element is the function sub_2F77E8 of the file Apis/system.c of the component Network Configuration Management. Performing a manipulation results in os command injection. The attack may be ini

  • 9.1 Critical severity

    CP3: Improper Neutralization of Special Elements used in a Command

    CVE-2026-86149TendaEPSS 2.94%

    A weakness has been identified in Tenda CP3 27.5.57.101. This issue affects some unknown processing of the file Net/NetCheckPing.cpp. This manipulation of the argument interface_name/host causes os command injection. The attack can be initiated remotely.

  • 9.1 Critical severity

    CP3: Improper Neutralization of Special Elements used in a Command

    CVE-2026-86148TendaEPSS 2.94%

    A security flaw has been discovered in Tenda CP3 27.5.57.101. This vulnerability affects the function SystemAsh of the file Apis/system.c of the component Kylin. The manipulation of the argument AlarmVoiceURL results in os command injection. It is possible to

  • 8.8 High severity

    HG10: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-85110Tenda

    A vulnerability was identified in Tenda HG10 300001138. Impacted is the function formWlanSetup of the file /boaform/formWlanSetup of the component Boa Web Server. The manipulation of the argument ssid leads to buffer overflow. Remote exploitation of the attack

  • 9.8 Critical severity

    HG10: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-85109TendaEPSS 1.1%

    A vulnerability was determined in Tenda HG10 300001138. This issue affects the function formLogin of the file /boaform/formLogin of the component Boa Web Server. Executing a manipulation of the argument Username can lead to buffer overflow. The attack may be l

  • 10.0 Critical severity

    AC18: Improper Authentication

    CVE-2026-82695TendaEPSS 1.41%

    A security flaw has been discovered in Tenda AC18 15.03.05.19. Impacted is an unknown function of the file /goform/telnet of the component Telnet Handler. The manipulation results in missing authentication. The attack can be launched remotely. The exploit has

  • 10.0 Critical severity

    AC1206: Improper Authentication

    CVE-2026-82694TendaEPSS 1.42%

    A vulnerability was identified in Tenda AC1206 15.03.06.23. This issue affects the function R7WebsSecurityHandler of the file /goform/ate of the component Web UI. The manipulation leads to missing authentication. The attack can be initiated remotely. The explo

  • 10.0 Critical severity

    AC1206: Improper Authentication

    CVE-2026-82693TendaEPSS 1.42%

    A vulnerability was determined in Tenda AC1206 15.03.06.23. This vulnerability affects the function TendaTelnet of the file /goform/telnet of the component Web UI. Executing a manipulation can lead to missing authentication. It is possible to launch the attack

  • 10.0 Critical severity

    HG10: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-82542TendaEPSS 1.1%

    A weakness has been identified in Tenda HG10 300001138. Affected by this issue is the function formIPv6Routing of the file /boaform/admin/formIPv6Routing of the component Boa Web Server. This manipulation of the argument destNet causes buffer overflow. The att

  • 7.4 High severity

    CH22: Improper Neutralization of Special Elements in Output Used by a Downstream Component

    CVE-2026-78141TendaEPSS 2.75%

    A vulnerability has been found in Tenda CH22 1.0.0.1. This affects the function formexeCommand of the file /goform/exeCommand. The manipulation of the argument cmdinput leads to command injection. The attack may be initiated remotely. The exploit has been disc

  • 7.4 High severity

    CH22: Improper Neutralization of Special Elements in Output Used by a Downstream Component

    CVE-2026-78063TendaEPSS 2.75%

    A security flaw has been discovered in Tenda CH22 1.0.0.1. The impacted element is the function formeditFileName of the file /goform/editFileName. The manipulation of the argument editNameMit results in command injection. The attack can be launched remotely. T

  • 7.4 High severity

    CH22: Improper Neutralization of Special Elements in Output Used by a Downstream Component

    CVE-2026-77031TendaEPSS 2.75%

    A vulnerability has been found in Tenda CH22 1.0.0.1. The affected element is the function formcreateFileName of the file /goform/formcreateFileName. The manipulation of the argument fileNameMit leads to command injection. The attack can be initiated remotely.

  • 9.8 Critical severity

    AC10: Improper Authentication

    CVE-2026-19924TendaEPSS 1.42%

    A security vulnerability has been detected in Tenda AC10 16.03.10.09_multi_TDE01. This vulnerability affects the function R7WebsSecurityHandler of the component httpd. The manipulation leads to improper authentication. The attack may be initiated remotely. The

  • 8.8 High severity

    W20E: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-19824Tenda

    A weakness has been identified in Tenda W20E 15.11.0.6(1068_1546_841)_CN_TDC. The affected element is the function ipMacBindListStore of the file /goform/addIpMacBind. Executing a manipulation of the argument IPMacBindRule can lead to stack-based buffer overfl

  • 8.8 High severity

    W20E: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-19823Tenda

    A security flaw has been discovered in Tenda W20E 15.11.0.6(1068_1546_841)_CN_TDC. Impacted is the function formQOSRuleDel of the file /goform/delQos of the component QoS Rule Deletion. Performing a manipulation of the argument qosIndex results in stack-based

  • 8.8 High severity

    W20E: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-19822Tenda

    A vulnerability was identified in Tenda W20E 15.11.0.6(1068_1546_841)_CN_TDC. This issue affects the function lstAdd of the file /goform/editQos of the component QoS Edit. Such manipulation of the argument qosListConnecttedNum leads to stack-based buffer overf

  • 8.8 High severity

    AC12: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-19821Tenda

    A vulnerability was determined in Tenda AC12 15.03.06.23_multi_TD01. This vulnerability affects the function formSetRebootTimer of the file /goform/SetSysAutoRebbotCfg of the component httpd web management interface. This manipulation of the argument rebootTim

  • 8.8 High severity

    G0: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-19792Tenda

    A security flaw has been discovered in Tenda G0 up to 20260625. Impacted is the function setPortMapping of the file /goform/module of the component httpd web management interface. Performing a manipulation of the argument portMappingServer/porMappingtInternal/

  • 8.8 High severity

    G0: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-19791Tenda

    A weakness has been identified in Tenda G0 up to 20260625. The affected element is the function addStaticRoute of the file /goform/module of the component httpd web management interface. Executing a manipulation of the argument staticRouteNet can lead to stack

  • 8.8 High severity

    G0: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-19790Tenda

    A vulnerability was identified in Tenda G0 up to 20260625. This issue affects the function formSetPortMirror of the file /goform/module of the component httpd Web Management Interface. Such manipulation of the argument portMirrorMirroredPorts leads to stack-ba

  • 8.8 High severity

    AC1206: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-19789Tenda

    A vulnerability was determined in Tenda AC1206 15.03.06.23_multi_TD01. This vulnerability affects the function set_wl_guest_iplist of the file /goform/WifiGuestSet of the component httpd web management interface. This manipulation of the argument shareSpeed ca

  • 8.8 High severity

    AC1206: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-19788Tenda

    A vulnerability was found in Tenda AC1206 15.03.06.23_multi_TD01. This affects the function set_device_name of the file /goform/SetOnlineDevName of the component httpd web management interface. The manipulation of the argument devName results in stack-based bu

  • 8.1 High severity

    A flaw has been found in Tenda CH, CP and TX3 V21.x/V22.x/V25.x/V26.x/V27.x.

    CVE-2026-19750Tenda

    A flaw has been found in Tenda CH, CP and TX3 V21.x/V22.x/V25.x/V26.x/V27.x. Affected by this issue is some unknown functionality of the component SSH. Executing a manipulation can lead to use of hard-coded password. It is possible to launch the attack remotel

  • 9.8 Critical severity

    CH7: Improper Neutralization of Special Elements in Output Used by a Downstream Component

    CVE-2026-19747TendaEPSS 3.06%

    A weakness has been identified in Tenda CH7, CH7G, CH10, CP3, CP3 Pro, CP7, TC3B14C, TC3B15C, TC3T14C and TC3T15C up to 20260625. This impacts the function CAte::HandleCmd of the file Kylin of the component ATE Module. This manipulation causes command injectio

  • 8.8 High severity

    CH22: Improper Neutralization of Special Elements in Output Used by a Downstream Component

    CVE-2026-19346TendaEPSS 2.73%

    A vulnerability was determined in Tenda CH22 1.0.0.1. This vulnerability affects the function formCertListInfo of the file /goform/CertListInfo. This manipulation of the argument Name causes command injection. The attack can be initiated remotely. The exploit