{"id":"CVE-2016-6539","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-6539","generatedAt":"2026-10-27T22:04:07.817Z","title":"The MAC address can be obtained by being in close proximity to the Bluetooth device, effectively exposing the device ID.","description":"The Trackr device ID is constructed of a manufacturer identifier of four zeroes followed by the BLE MAC address in reverse. The MAC address can be obtained by being in close proximity to the Bluetooth device, effectively exposing the device ID. The ID can be used to track devices. Updated apps, version 5.1.6 for iOS and 2.2.5 for Android, have been released by the vendor to address the vulnerabilities in CVE-2016-6538, CVE-2016-6539, CVE-2016-6540 and CVE-2016-6541.","published":"2018-07-06T21:29:00.000Z","lastModified":"2026-06-17T00:51:21.000Z","status":"Modified","sourceIdentifier":"cret@cert.org","cvss":{"version":"3.0","score":3.5,"severity":"LOW","vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N"},"cwe":["CWE-200"],"affected":["thetrackr/trackr firmware"],"epss":{"score":0.01286,"percentile":0.69947,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (1.29%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/93874","tags":["Third Party Advisory","VDB Entry"],"source":"cret@cert.org"},{"url":"https://blog.rapid7.com/2016/10/25/multiple-bluetooth-low-energy-ble-tracker-vulnerabilities/","tags":["Exploit","Technical Description","Third Party Advisory"],"source":"cret@cert.org"},{"url":"https://www.kb.cert.org/vuls/id/617567","tags":["Third Party Advisory","US Government Resource"],"source":"cret@cert.org"},{"url":"https://www.kb.cert.org/vuls/id/TNOY-AF3KCZ","tags":["Third Party Advisory","US Government Resource"],"source":"cret@cert.org"},{"url":"http://www.securityfocus.com/bid/93874","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://blog.rapid7.com/2016/10/25/multiple-bluetooth-low-energy-ble-tracker-vulnerabilities/","tags":["Exploit","Technical Description","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.kb.cert.org/vuls/id/617567","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.kb.cert.org/vuls/id/TNOY-AF3KCZ","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-6539","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}