CVE-2015-6912
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.
Date published : 2015-09-11
http://www.securityfocus.com/archive/1/536427/100/0/threaded
https://www.synology.com/en-global/releaseNote/VideoStation?model=DS715