Is CVE-2016-6540 in the CISA KEV catalog?

No. CVE-2016-6540 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-6540?

CVE-2016-6540 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2016-6540?

CVE-2016-6540 has an EPSS score of 0.91% (56th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-6540?

Upgrade trackr bravo firmware to 2.2.5 or later.

CVE & CISA-KEV Catalog

CVE-2016-6540

MEDIUM

6.5

CVSS v3

NVD

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.

CWE-306Missing Authentication for Critical Function CWE-200Information Exposure

How to fix

Remediation Available

trackr bravo firmwareNVD

Affected:< 2.2.5Fixed in:2.2.5CVE-2016-6540derived from NVD

Affected:< 5.1.6Fixed in:5.1.6CVE-2016-6540derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityLow

Privileges RequiredNone

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

Exploit Intelligence

0.91%probability of exploitation in 30 days

56thpercentile

Moderate risk: more likely to be exploited than 56% of all known CVEs.

References

Third-Party Advisory4

Related Vulnerabilities

Other CWE-306 (Missing Authentication for Critical Function) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-10271	High	7.5	100%	KEV + Ransom	-
CVE-2023-42793	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2025-3248	Critical	9.8	100%	KEV	Fix
CVE-2022-1388	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2021-37415	Critical	9.8	100%	KEV	-
CVE-2023-21839	High	7.5	100%	KEV	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.