The Grandstream Wave app 1.0.1.26 and earlier for Android does not use HTTPS when retrieving update information, which might allow man-in-the-middle attackers to execute arbitrary code via a crafted application.Referenceshttp://packetstormsecurity.com/files/136291/Grandstream-Wave-1.0.1.26-Update-Redirection.htmlhttps://rt-solutions.de/wp-content/uploads/2016/04/CVE-2016-1520-app-update-redirection.pdfhttp://www.securityfocus.com/archive/1/537821/100/0/threaded