How severe is CVE-2016-6540?

CVE-2016-6540 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2016-6540 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-6540?

CVE-2016-6540 primarily affects Thetrackr Trackr Bravo Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-6540?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-6540 published?

CVE-2016-6540 was published on 2018-07-06 and last updated on 2026-06-17.

CVE-2016-6540

CVE-2016-6540 is a medium-severity vulnerability in Thetrackr Trackr Bravo Firmware with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 3.3
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Thetrackr Trackr Bravo Firmware
Published: 2018-07-06
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2016-6540?: 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.
How severe is CVE-2016-6540?: CVE-2016-6540 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2016-6540 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-6540?: CVE-2016-6540 primarily affects Thetrackr Trackr Bravo Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-6540?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-6540 published?: CVE-2016-6540 was published on 2018-07-06 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:thetrackr:trackr_bravo_firmware:*:*:*:*:*:android:*:*
cpe:2.3:o:thetrackr:trackr_bravo_firmware:*:*:*:*:*:iphone_os:*:*

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CVE-2016-6541 — High (CVSS 8.8): TrackR Bravo device allows unauthenticated pairing, which enables unauthenticated connected applications to write to…
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