D-Link DIR-610 devices allow Remote Command Execution via the cmd parameter to command.php. NOTE: This vulnerability only affects products that are no longer supported by the maintainer
https://www.dlink.com.br/produto/dir-610/
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10182
https://gist.github.com/GouveaHeitor/131557f9de7d571f118f59805df852dc