A vulnerability was found in Tenda i21 1.0.0.14(4656) and classified as critical. Affected by this issue is the function formWifiMacFilterGet. The manipulation of the argument index 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-263084. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
https://vuldb.com/?submit.323605
https://vuldb.com/?ctiid.263084
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/i/i21/formWifiMacFilterGet.md