Nortek Linear eMerge E3-Series devices through 0.32-09c place admin credentials in /test.txt that allow an attacker to open a building's doors. (This occurs in situations where the CVE-2019-7271 default credentials have been changed.)Referenceshttps://eg.linkedin.com/in/omar-1-hashemhttps://www.nortekcontrol.com/access-control/http://packetstormsecurity.com/files/167990/Nortek-Linear-eMerge-E3-Series-Credential-Disclosure.htmlhttps://gist.github.com/omarhashem123/71ec9223e90ea76a76096d777d9b945c