CVE-2016-6539

LOWNVD 3.53.5—
EchelonGraph scoreMEDIUM confidence

Score 3.5 from GitHub Security Advisory (severity: LOW) published 2022-05-13. NVD baseline CVSS 3.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
3.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 3.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
3.5
EG Score
3.5(medium)
EG Risk
21(Track)
EG Risk 21/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity35% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
67%
KEV
Not listed

Published

July 6, 2018

Last Modified

November 21, 2024

References (8)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 10× in last 7d / 42× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-26 14:50 UTCEPSS rescore
  2. 2026-07-25 14:13 UTCEPSS rescore
  3. 2026-07-24 14:13 UTCEPSS rescore
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  5. 2026-07-23 01:23 UTCEG score recompute
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  40. 2026-06-08 14:14 UTCEPSS rescore
  41. 2026-06-07 15:22 UTCEPSS rescore
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  56. 2026-05-29 13:41 UTCEPSS rescore
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  59. 2026-05-28 05:49 UTCEG score recompute
  60. 2026-05-28 05:49 UTCGHSA enrichment
  61. 2026-05-27 13:38 UTCEPSS rescore
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  65. 2026-05-26 07:17 UTCEPSS rescore
  66. 2026-05-24 16:44 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2016-6539?
CVE-2016-6539 is a low vulnerability published on July 6, 2018. 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,…
When was CVE-2016-6539 disclosed?
CVE-2016-6539 was first published in the National Vulnerability Database on July 6, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-6539 actively exploited?
CVE-2016-6539 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 67.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2016-6539?
CVE-2016-6539 has a CVSS v3 base score of 3.5 (NVD).
How do I remediate CVE-2016-6539?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-6539, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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