The Amaze File Manager application before 3.4.2 for Android does not properly restrict intents for controlling the FTP server (aka services.ftpservice.FTPReceiver.ACTION_START_FTPSERVER and services.ftpservice.FTPReceiver.ACTION_STOP_FTPSERVER).Referenceshttps://play.google.com/store/apps/details?id=com.amaze.filemanager&hl=en_US&gl=UShttps://github.com/TeamAmaze/AmazeFileManager/compare/v3.4.1...v3.4.2https://github.com/TeamAmaze/AmazeFileManager/pull/1815