Tenda vulnerabilities

CVE-2026-3044 High · 8.8 CWE-119 Feb 23, 2026

Tenda AC8 Httpd Service UploadCfg webCgiGetUploadFile stack-based overflow

A vulnerability has been found in Tenda AC8 16.03.34.06. This affects the function webCgiGetUploadFile of the file /cgi-bin/UploadCfg of the component Httpd Service. The manipulation of the argument boundary leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

CVE-2026-27514 Medium · 6.5 CWE-201 Feb 23, 2026

Tenda F3 Plaintext Credential Exposure in Configuration Download

Shenzhen Tenda F3 Wireless Router firmware V12.01.01.55_multi contains a sensitive information exposure vulnerability in the configuration download functionality. The configuration download response includes the router password and administrative password in plaintext. The endpoint also omits appropriate Cache-Control directives, which can allow the response to be stored in client-side caches and recovered by other local users or processes with access to cached browser data.

CVE-2026-27513 Medium · 4.3 CWE-352 Feb 23, 2026

Tenda F3 CSRF in Web Management Interface

Shenzhen Tenda F3 Wireless Router firmware V12.01.01.55_multi contains a cross-site request forgery (CSRF) vulnerability in the web-based administrative interface. The interface does not implement anti-CSRF protections, allowing an attacker to induce an authenticated administrator to submit state-changing requests, which can result in unauthorized configuration changes.

CVE-2026-27512 Medium · 6.1 CWE-79 Feb 23, 2026

Tenda F3 Reflected Script Execution via Missing nosniff Header

Shenzhen Tenda F3 Wireless Router firmware V12.01.01.55_multi contains a content-type confusion vulnerability in the administrative interface. Responses omit the X-Content-Type-Options: nosniff header and include attacker-influenced content that can be reflected into the response body. Under affected browser behaviors, MIME sniffing may cause the response to be interpreted as active HTML, enabling script execution in the context of the administrative interface.

CVE-2026-27511 Medium · 4.3 CWE-1021 Feb 23, 2026

Tenda F3 Clickjacking in Web Management Interface

Shenzhen Tenda F3 Wireless Router firmware V12.01.01.55_multi contains a clickjacking vulnerability in the web-based administrative interface. The interface does not set the X-Frame-Options header, allowing attacker-controlled sites to embed administrative pages in an iframe and trick an authenticated administrator into unintended interactions that may result in unauthorized configuration changes.

CVE-2025-69700 High · 7.5 CWE-121 Feb 23, 2026

Stack-based Buffer Overflow in Tenda Fh1203 Firmware

Tenda FH1203 V2.0.1.6 contains a stack-based buffer overflow vulnerability in the modify_add_client_prio function, which is reachable via the formSetClientPrio CGI handler.

CVE-2026-2930 High · 8.8 CWE-119 Feb 22, 2026

Tenda A18 Httpd Service UploadCfg webCgiGetUploadFile stack-based overflow

A vulnerability was identified in Tenda A18 15.13.07.13. The affected element is the function webCgiGetUploadFile of the file /cgi-bin/UploadCfg of the component Httpd Service. Such manipulation of the argument boundary leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.

CVE-2026-2911 High · 8.8 CWE-119 Feb 22, 2026

Tenda FH451 GstDhcpSetSer buffer overflow

A vulnerability has been found in Tenda FH451 up to 1.0.0.9. This issue affects some unknown processing of the file /goform/GstDhcpSetSer. The manipulation leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

CVE-2026-2910 High · 8.8 CWE-119 Feb 22, 2026

Tenda HG9 formPing6 stack-based overflow

A flaw has been found in Tenda HG9 300001138. This vulnerability affects unknown code of the file /boaform/formPing6. Executing a manipulation of the argument pingAddr can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been published and may be used.

CVE-2026-2909 High · 8.8 CWE-119 Feb 21, 2026

Tenda HG9 Diagnostic Ping Endpoint formPing stack-based overflow

A vulnerability was detected in Tenda HG9 300001138. This affects an unknown part of the file /boaform/formPing of the component Diagnostic Ping Endpoint. Performing a manipulation of the argument pingAddr results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.

CVE-2026-2908 High · 8.8 CWE-119 Feb 21, 2026

Tenda HG9 Loopback Detection Configuration Endpoint formLoopBack stack-based overflow

A security vulnerability has been detected in Tenda HG9 300001138. Affected by this issue is some unknown functionality of the file /boaform/formLoopBack of the component Loopback Detection Configuration Endpoint. Such manipulation of the argument Ethtype leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used.

CVE-2026-2907 High · 8.8 CWE-119 Feb 21, 2026

Tenda HG9 GPON Configuration Endpoint formgponConf stack-based overflow

A weakness has been identified in Tenda HG9 300001138. Affected by this vulnerability is an unknown functionality of the file /boaform/formgponConf of the component GPON Configuration Endpoint. This manipulation of the argument fmgpon_loid/fmgpon_loid_password causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.

CVE-2026-2906 High · 8.8 CWE-119 Feb 21, 2026

Tenda HG9 Samba Configuration Endpoint formSamba stack-based overflow

A security flaw has been discovered in Tenda HG9 300001138. Affected is an unknown function of the file /boaform/formSamba of the component Samba Configuration Endpoint. The manipulation of the argument sambaCap results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.

CVE-2026-2905 High · 8.8 CWE-119 Feb 21, 2026

Tenda HG9 Wireless Configuration Endpoint formWlanSetup stack-based overflow

A vulnerability was identified in Tenda HG9 300001138. This impacts an unknown function of the file /boaform/formWlanSetup of the component Wireless Configuration Endpoint. The manipulation of the argument ssid leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit is publicly available and might be used.

CVE-2026-2886 High · 8.8 CWE-119 Feb 21, 2026

Tenda A21 SetOnlineDevName set_device_name stack-based overflow

A weakness has been identified in Tenda A21 1.0.0.0. This affects the function set_device_name of the file /goform/SetOnlineDevName. This manipulation of the argument devName causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.

CVE-2026-2877 High · 8.8 CWE-119 Feb 21, 2026

Tenda A18 Httpd Service WifiExtraSet strcpy stack-based overflow

A vulnerability has been found in Tenda A18 15.13.07.13. This affects the function strcpy of the file /goform/WifiExtraSet of the component Httpd Service. The manipulation of the argument wpapsk_crypto5g leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

CVE-2026-2876 High · 8.8 CWE-119 Feb 21, 2026

Tenda A18 setBlackRule parse_macfilter_rule stack-based overflow

A vulnerability was determined in Tenda A18 15.13.07.13. This affects the function parse_macfilter_rule of the file /goform/setBlackRule. This manipulation of the argument deviceList causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized.

CVE-2026-2874 High · 8.8 CWE-119 Feb 21, 2026

Tenda A21 fast_setting_wifi_set form_fast_setting_wifi_set stack-based overflow

A flaw has been found in Tenda A21 1.0.0.0. Impacted is the function form_fast_setting_wifi_set of the file /goform/fast_setting_wifi_set. Executing a manipulation of the argument ssid can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used.

CVE-2026-2873 High · 8.8 CWE-119 Feb 21, 2026

Tenda A21 openSchedWifi setSchedWifi stack-based overflow

A vulnerability was detected in Tenda A21 1.0.0.0. This issue affects the function setSchedWifi of the file /goform/openSchedWifi. Performing a manipulation of the argument schedStartTime/schedEndTime results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit is now public and may be used.

CVE-2026-2872 High · 8.8 CWE-119 Feb 21, 2026

Tenda A21 MAC Filtering Configuration Endpoint setBlackRule set_device_name stack-based overflow

A security vulnerability has been detected in Tenda A21 1.0.0.0. This vulnerability affects the function set_device_name of the file /goform/setBlackRule of the component MAC Filtering Configuration Endpoint. Such manipulation of the argument devName/mac leads to stack-based buffer overflow. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.

CVE-2026-2871 High · 8.8 CWE-119 Feb 21, 2026

Tenda A21 SetIpMacBind fromSetIpMacBind stack-based overflow

A weakness has been identified in Tenda A21 1.0.0.0. This affects the function fromSetIpMacBind of the file /goform/SetIpMacBind. This manipulation of the argument list causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.

CVE-2026-2870 High · 8.8 CWE-119 Feb 21, 2026

Tenda A21 formSetQosBand set_qosMib_list stack-based overflow

A security flaw has been discovered in Tenda A21 1.0.0.0. Affected by this issue is the function set_qosMib_list of the file /goform/formSetQosBand. The manipulation of the argument list results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.

CVE-2026-2203 High · 8.8 CWE-120 Feb 9, 2026

Tenda AC8 Embedded Httpd Service fast_setting_wifi_set buffer overflow

A flaw has been found in Tenda AC8 16.03.33.05. Affected by this vulnerability is an unknown functionality of the file /goform/fast_setting_wifi_set of the component Embedded Httpd Service. This manipulation of the argument timeZone causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.

CVE-2026-2202 High · 8.8 CWE-120 Feb 9, 2026

Tenda AC8 httpd WifiGuestSet fromSetWifiGusetBasic buffer overflow

A vulnerability was detected in Tenda AC8 16.03.33.05. Affected is the function fromSetWifiGusetBasic of the file /goform/WifiGuestSet of the component httpd. The manipulation of the argument shareSpeed results in buffer overflow. The attack may be launched remotely. The exploit is now public and may be used.

CVE-2026-2192 High · 7.2 CWE-119 Feb 8, 2026

Tenda AC9 formGetRebootTimer stack-based overflow

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 buffer overflow. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.