A vulnerability was found in Tenda i3 1.0.0.6(2204). It has been rated as critical. This affects the function formWifiMacFilterGet of the file /goform/WifiMacFilterGet. The manipulation of the argument index leads to stack-based buffer overflow.

This vulnerability is traded as CVE-2026-3803. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.