A vulnerability was found in TRENDNET TEW-813DRU 1.01b01 . It has been rated as critical . Impacted is an unknown function of the file /etc/vsftpd.conf of the component vsftpd . This manipulation causes incorrect default permissions. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability is tracked as CVE-2026-19841 . The attack is possible to be carried out remotely. No exploit exists.