Hi,
It just hit the news that several video players have a serious vulnerability. If you load a malicious subtitle file, hackers can get total control of the device.
Here are some articles:
https://techcrunch.com/2017/05/24/hacke ... tle-files/
http://blog.checkpoint.com/2017/05/23/h ... anslation/
Are you aware of this issue, and is SMPlayer safe?