A vulnerability classified as critical was found in Tenda W20E 15.11.0.6(1068_1546_841)_CN_TDC . The affected element is the function ipMacBindListStore of the file /goform/addIpMacBind . Executing a manipulation of the argument IPMacBindRule can lead to stack-based buffer overflow. This vulnerability is handled as CVE-2026-19824 . The attack can be executed remotely. Additionally, an exploit exists.