Tenda Ac6 Firmware vulnerabilities

CVE-2022-25459 [CRITICAL] CWE-787 CVE-2022-25459: Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the S1 parameter in the Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the S1 parameter in the SetSysTimeCfg function.

CVE-2022-25452 [CRITICAL] CWE-787 CVE-2022-25452: Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the URLs parameter in th Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the URLs parameter in the saveParentControlInfo function.

CVE-2022-25447 [CRITICAL] CWE-787 CVE-2022-25447: Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the schedendtime paramet Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the schedendtime parameter in the openSchedWifi function.

CVE-2022-25458 [CRITICAL] CWE-787 CVE-2022-25458: Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the cmdinput parameter i Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the cmdinput parameter in the exeCommand function.

CVE-2022-25454 [CRITICAL] CWE-787 CVE-2022-25454: Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the loginpwd parameter i Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the loginpwd parameter in the SetFirewallCfg function.

CVE-2022-25457 [CRITICAL] CWE-787 CVE-2022-25457: Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the ntpserver parameter Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the ntpserver parameter in the SetSysTimeCfg function.

CVE-2022-25453 [CRITICAL] CWE-787 CVE-2022-25453: Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the time parameter in th Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the time parameter in the saveParentControlInfo function.

CVE-2022-25448 [CRITICAL] CWE-787 CVE-2022-25448: Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the day parameter in the Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the day parameter in the openSchedWifi function.

CVE-2022-25449 [CRITICAL] CWE-787 CVE-2022-25449: Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the deviceId parameter i Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the deviceId parameter in the saveParentControlInfo function.

CVE-2022-25455 [CRITICAL] CWE-787 CVE-2022-25455: Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the list parameter in th Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the list parameter in the SetIpMacBind function.

CVE-2022-25460 [CRITICAL] CWE-787 CVE-2022-25460: Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the endip parameter in t Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the endip parameter in the SetPptpServerCfg function.

CVE-2025-5854 [HIGH] CWE-119 CVE-2025-5854: A vulnerability, which was classified as critical, has been found in Tenda AC6 15.03.05.16. Affected A vulnerability, which was classified as critical, has been found in Tenda AC6 15.03.05.16. Affected by this issue is the function fromadvsetlanip of the file /goform/AdvSetLanip. The manipulation of the argument lanMask leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

CVE-2026-8265 [HIGH] CWE-77 CVE-2026-8265: A security vulnerability has been detected in Tenda AC6 15.03.06.23. Affected by this issue is the f A security vulnerability has been detected in Tenda AC6 15.03.06.23. Affected by this issue is the function get_log_file of the file /goform/getLogFile of the component httpd. The manipulation of the argument wans.flag leads to os command injection. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used.

CVE-2023-2923 [CRITICAL] CWE-121 CVE-2023-2923: A vulnerability classified as critical was found in Tenda AC6 US_AC6V1.0BR_V15.03.05.19. Affected by A vulnerability classified as critical was found in Tenda AC6 US_AC6V1.0BR_V15.03.05.19. Affected by this vulnerability is the function fromDhcpListClient. The manipulation leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-230077 was assigned to

CVE-2025-5852 [HIGH] CWE-119 CVE-2025-5852: A vulnerability classified as critical has been found in Tenda AC6 15.03.05.16. Affected is the func A vulnerability classified as critical has been found in Tenda AC6 15.03.05.16. Affected is the function formSetPPTPUserList of the file /goform/setPptpUserList. The manipulation of the argument list leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

CVE-2025-7914 [HIGH] CWE-119 CVE-2025-7914: A vulnerability has been found in Tenda AC6 15.03.06.50 and classified as critical. Affected by this A vulnerability has been found in Tenda AC6 15.03.06.50 and classified as critical. Affected by this vulnerability is the function setparentcontrolinfo of the component httpd. The manipulation leads to buffer overflow. The attack can be launched remotely.

CVE-2023-40839 [CRITICAL] CWE-78 CVE-2023-40839: Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin function 'sub_ADF3C' contains a command execution Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin function 'sub_ADF3C' contains a command execution vulnerability. In the "formSetIptv" function, obtaining the "list" and "vlanId" fields, unfiltered passing these two fields as parameters to the "sub_ADF3C" function to execute commands.

CVE-2023-40837 [CRITICAL] CWE-78 CVE-2023-40837: Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin function 'sub_ADD50' contains a command execution Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin function 'sub_ADD50' contains a command execution vulnerability. In the "formSetIptv" function, obtaining the "list" and "vlanId" fields, unfiltered passing these two fields as parameters to the "sub_ADD50" function to execute commands.

CVE-2025-32010 [CRITICAL] CWE-121 CVE-2025-32010: A stack-based buffer overflow vulnerability exists in the Cloud API functionality of Tenda AC6 V5.0 A stack-based buffer overflow vulnerability exists in the Cloud API functionality of Tenda AC6 V5.0 V02.03.01.110. A specially crafted HTTP response can lead to arbitrary code execution. An attacker can send an HTTP response to trigger this vulnerability.

CVE-2025-25343 [CRITICAL] CWE-120 CVE-2025-25343: Tenda AC6 V15.03.05.16 firmware has a buffer overflow vulnerability in the formexeCommand function. Tenda AC6 V15.03.05.16 firmware has a buffer overflow vulnerability in the formexeCommand function.