CVE-2026-11523 [HIGH] – A flaw has been found in Tenda W20E 15.11.0.6. This issue affects the function formPortalA

A flaw has been found in Tenda W20E 15.11.0.6. This issue affects the function formPortalAuth of the file /goform/PortalAuth of the component Web Management Interface. Executing a manipulation of the argument gotoUrl can lead to stack-based buffer overflow. The attack can be launched remotely. The exploit has been published and may be used.