A vulnerability classified as critical has been found in Tenda AC15 15.03.05.18/15.03.20_multi. This affects the function addWifiMacFilter of the file /goform/addWifiMacFilter. The manipulation of the argument deviceId/deviceMac 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. The identifier VDB-257661 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability was found in Tenda AC15 15.03.05.18/15.03.20_multi. It has been rated as critical. Affected by this issue is the function formSetSpeedWan of the file /goform/SetSpeedWan. The manipulation of the argument speed_dir leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-257660. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Tenda AC15 V1.0BR_V15.03.05.18_multi_TD01 was discovered to contain a buffer overflow via the function FUN_00010e34().

In Tenda AC15 V15.03.05.19, the function "sub_8EE8" contains a stack-based buffer overflow vulnerability.

In Tenda AC15 V15.03.05.19, the function "henan_pppoe_user" contains a stack-based buffer overflow vulnerability.

In Tenda AC15 V15.03.05.19, the function "getIfIp" contains a stack-based buffer overflow vulnerability.

In Tenda AC15 V15.03.05.19, the function "xian_pppoe_user" contains a stack-based buffer overflow vulnerability.

In Tenda AC15 V15.03.05.19, The function "xkjs_ver32" contains a stack-based buffer overflow vulnerability.

In Tenda AC15 V15.03.05.19, the function "sub_ED14" contains a stack-based buffer overflow vulnerability.

In Tenda AC15 V15.03.05.19, the function GetValue contains a stack-based buffer overflow vulnerability.