Synology Video Station before 1.5-0763 allows remote attackers to execute arbitrary shell commands via shell metacharacters in the subtitle_codepage parameter to subtitle.cgi.
packetstormsecurity.com/files/133519/Synology-Video-Station-1.5-0757-Command-Injection-SQL-Injection.html
seclists.org/fulldisclosure/2015/Sep/31
www.securityfocus.com/archive/1/536427/100/0/threaded
www.securify.nl/advisory/SFY20150810/synology_video_station_command_injection_and_multiple_sql_injection_vulnerabilities.html
www.synology.com/en-global/releaseNote/VideoStation?model=DS715