/web/Lib/Action/IndexAction.class.php in D-Link Central WiFi Manager CWM(100) before v1.03R0100_BETA6 allows remote attackers to execute arbitrary PHP code via a cookie because a cookie's username field allows eval injection, and an empty password bypasses authentication.
https://unh3x.github.io/2019/02/21/D-link-%28CWM-100%29-Multiple-Vulnerabilities/
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10117