What this does is allow security researchers to better assess the vulnerability of the Internet as a whole. We need a better understanding of what's going on.
You could be a white knight and patch vulnerable devices using that very same security hole. In fact I would really enjoy having our governments offering this as a service instead of spending so much energy on attacking the others (or at least notify the owner).
The last time I was involved in anything like this I used zmap to scan for open rsync shares. Without wanting to be click-baity the results shocked me!
https://blog.steve.fi/Secure_your_rsync_shares__please_.html
http://arstechnica.com/security/2016/02/using-ipv6-with-linu...
https://github.com/robertdavidgraham/masscan/blob/master/dat...
