Vulnerabilidades do Tenda AC8

CVE-2026-4254 Crítica · 9.8 CWE-787 16/03/2026

Tenda AC8 HTTP Endpoint SysToolChangePwd doSystemCmd stack-based overflow

A weakness has been identified in Tenda AC8 up to 16.03.50.11. This vulnerability affects the function doSystemCmd of the file /goform/SysToolChangePwd of the component HTTP Endpoint. This manipulation of the argument local_2c causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

CVE-2026-4253 Alta · 7.2 CWE-78 16/03/2026

Tenda AC8 Web UploadCfg route_set_user_policy_rule os command injection

A security flaw has been discovered in Tenda AC8 16.03.50.11. This affects the function route_set_user_policy_rule of the file /cgi-bin/UploadCfg of the component Web Interface. The manipulation of the argument wans.policy.list1 results in os command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.

CVE-2026-4252 Crítica · 9.8 CWE-287 16/03/2026

Tenda AC8 IPv6 check_is_ipv6 ip address for authentication

A vulnerability was identified in Tenda AC8 16.03.50.11. Affected by this issue is the function check_is_ipv6 of the component IPv6 Handler. The manipulation leads to reliance on ip address for authentication. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.

CVE-2026-3044 Alta · 8.8 CWE-119 23/02/2026

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-2026-2203 Alta · 8.8 CWE-120 09/02/2026

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 Alta · 8.8 CWE-120 09/02/2026

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-2025-12618 Crítica · 9.8 CWE-120 03/11/2025

Tenda AC8 DatabaseIniSet buffer overflow

A vulnerability has been found in Tenda AC8 16.03.34.06. This impacts an unknown function of the file /goform/DatabaseIniSet. The manipulation of the argument Time leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

CVE-2025-11120 Alta · 8.8 CWE-119 28/09/2025

Tenda AC8 SetServerConfig formSetServerConfig buffer overflow

A weakness has been identified in Tenda AC8 16.03.34.06. The affected element is the function formSetServerConfig of the file /goform/SetServerConfig. Executing manipulation can lead to buffer overflow. It is possible to launch the attack remotely. The exploit has been made available to the public and could be exploited.