LOYTEC LGATE-902 6.3.2 devices allow Arbitrary file deletion.
https://seclists.org/fulldisclosure/2019/Apr/12
http://seclists.org/fulldisclosure/2019/Apr/12
http://packetstormsecurity.com/files/152453/Loytec-LGATE-902-XSS-Traversal-File-Deletion.html