A vulnerability was found in Tenda W20E 15.11.0.6 . It has been classified as critical . Impacted is the function modifyWifiFilterRules of the file /goform/modifyWifiFilterRules of the component Web Management Interface . The manipulation of the argument wifiFilterListRemark leads to stack-based buffer overflow. This vulnerability is listed as CVE-2026-11524 . The attack may be initiated remotely. In addition, an exploit is available.