An issue was discovered in the D-Link Central WiFi Manager CWM(100) before v1.03R0100_BETA6. Input does not get validated and arbitrary SQL statements can be executed in the database via the /web/Public/Conn.php parameter dbSQL.
https://unh3x.github.io/2019/02/21/D-link-%28CWM-100%29-Multiple-Vulnerabilities/
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10117