Hello Peplink,
Recently, our client conduct a security check on their network and found a
ClickJacking Vulnerability on their Balance 710.
It is already running with the latest firmware (7.1.0)
Can you check whether you can issue a patch for this issue?
Thanks a lot 
Hello @ryancandorapacible,
With this security concern your client has, please open a support ticket here with Peplink.
https://contact.peplink.com/secure/create-support-ticket.html
In the attachment area at the bottom of the form you can add a copy of the security report from your client showing the vulnerability and how that is a security risk to there organisation. Peplink will also need to know how the vulnerability was found, test & proven to exist from the client.
Happy to Help,
Marcus 