A vulnerability was found in Tenda i21 1.0.0.14(4656) and classified as critical. This issue affects the function formQosManage_user. The manipulation of the argument ssidIndex leads to stack-based buffer overflow.

The identification of this vulnerability is CVE-2024-4248. The attack may be initiated remotely. There is no exploit available.

The vendor was contacted early about this disclosure but did not respond in any way.