Touchpad / Trivum WebTouch Setup V9 V2.53 build 13163 of Apr 6 2018 09:10:14 (FW 303) allow unauthorized remote attackers to reset the authentication via the "/xml/system/setAttribute.xml" URL, using the GET request "?id=0&attr=protectAccess&newValue=0" (a successful attack will allow attackers to login without authorization).