ZTE's ZXMP M721 product has a permission and access control vulnerability. Since the folder permission viewed by sftp is 666, which is inco…

ZTE's ZXMP M721 product has a permission and access control vulnerability. Since the folder permission viewed by sftp is 666, which is inconsistent with the actual permission. It’s easy for?users to?ignore the modification?of?the file permission configuration, so that low-authority accounts could actually obtain higher operating permissions on key files.