CVE-2016-6541
CVE-2016-6541 is a high-severity vulnerability in Thetrackr Trackr Bravo Firmware with a CVSS 3.x base score of 8.8. 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-287.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 5.8
- EPSS exploit prediction: 1% (61st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-287
- Affected product: Thetrackr Trackr Bravo Firmware
- Published:
- Last modified:
Description
TrackR Bravo device allows unauthenticated pairing, which enables unauthenticated connected applications to write to various device attributes. 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-2016-6541?
- TrackR Bravo device allows unauthenticated pairing, which enables unauthenticated connected applications to write to various device attributes. 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-2016-6541?
- CVE-2016-6541 has a CVSS 3.x base score of 8.8, rated high 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 high, and availability high.
- Is CVE-2016-6541 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-6541?
- CVE-2016-6541 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-2016-6541?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2016-6541 published?
- CVE-2016-6541 was published on 2018-07-06 and last updated on 2026-06-17.
References
- http://www.securityfocus.com/bid/93874
- https://blog.rapid7.com/2016/10/25/multiple-bluetooth-low-energy-ble-tracker-vulnerabilities/
- https://www.kb.cert.org/vuls/id/617567
- https://www.kb.cert.org/vuls/id/TNOY-AF3KCZ
Affected products (2)
- cpe:2.3:o:thetrackr:trackr_bravo_firmware:*:*:*:*:*:android:*:*
- cpe:2.3:o:thetrackr:trackr_bravo_firmware:*:*:*:*:*:iphone_os:*:*
More vulnerabilities in Thetrackr Trackr Bravo Firmware
- CVE-2016-6538 — High (CVSS 8.8): The TrackR Bravo mobile app stores the account password used to authenticate to the cloud API in cleartext in the…
- CVE-2016-6540 — Medium (CVSS 6.5): Unauthenticated access to the cloud-based service maintained by TrackR Bravo is allowed for querying or sending GPS…
All CVEs affecting Thetrackr Trackr Bravo Firmware →
Other CWE-287 (Improper Authentication) vulnerabilities
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- CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
- CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
- CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
- CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
- CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…
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