HOMEVULNERABILITIESCVE-2016-6540
MEDIUM

CVE-2016-6540

CWE-306Published: July 6, 2018· Updated: Jun 17, 2026

6.5
CVSS v3.1

Official Description

Unauthenticated access to the cloud-based service maintained by TrackR Bravo is allowed for querying or sending GPS data for any Trackr device by using the tracker ID number which can be discovered as described in CVE-2016-6539. 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.

NVD Source

Technical Analysis

CVE-2016-6540 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 6.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

thetrackr2 product(s)
trackr bravo firmwaretrackr bravo
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://www.securityfocus.com/bid/93874
ADVISORYhttps://blog.rapid7.com/2016/10/25/multiple-bluetooth-low-energy-ble-tracker-vulnerabilities/
ADVISORYhttps://www.kb.cert.org/vuls/id/617567
ADVISORYhttps://www.kb.cert.org/vuls/id/TNOY-AF3KCZ
ADVISORYhttp://www.securityfocus.com/bid/93874
ADVISORYhttps://blog.rapid7.com/2016/10/25/multiple-bluetooth-low-energy-ble-tracker-vulnerabilities/
ADVISORYhttps://www.kb.cert.org/vuls/id/617567
ADVISORYhttps://www.kb.cert.org/vuls/id/TNOY-AF3KCZ

All References (8)

→
http://www.securityfocus.com/bid/93874Third Party Advisory · VDB Entry
→
https://blog.rapid7.com/2016/10/25/multiple-bluetooth-low-energy-ble-tracker-vulnerabilities/Third Party Advisory
→
https://www.kb.cert.org/vuls/id/617567Third Party Advisory · US Government Resource
→
https://www.kb.cert.org/vuls/id/TNOY-AF3KCZThird Party Advisory · US Government Resource
→
http://www.securityfocus.com/bid/93874Third Party Advisory · VDB Entry
→
https://blog.rapid7.com/2016/10/25/multiple-bluetooth-low-energy-ble-tracker-vulnerabilities/Third Party Advisory
→
https://www.kb.cert.org/vuls/id/617567Third Party Advisory · US Government Resource
→
https://www.kb.cert.org/vuls/id/TNOY-AF3KCZThird Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2016-6540
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-306
CISA KEVNo
Affected1 vendor(s)
PublishedJul 6, 2018

Related CVEs (CWE-306)

CVE-2019-11063
10.0
CVE-2026-10577
10.0
CVE-2014-9197
10.0
CVE-2019-11061
10.0
CVE-2025-55108
10.0
CVE-2020-26821
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2016-6540 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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