PatchTheCVECVE-2014-10374: On Fitbit activity-tracker devices, certain addresses never change
CVE-2014-10374 is a medium-severity flaw (CVSS 6.5) affecting charge 2 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
On Fitbit activity-tracker devices, certain addresses never change. According to the popets-2019-0036.pdf document, this leads to "permanent trackability" and "considerable privacy concerns" without a user-accessible anonymization feature. The devices, such as Charge 2, transmit Bluetooth Low Energy (BLE) advertising packets with a TxAdd flag indicating random addresses, but the addresses remain constant. If devices come within BLE range at one o
Why this priority
- No elevated risk signals yet
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 6.5 (Medium) |
| Attack vector | Adjacent network |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.6% (top 49%) |
| CISA exploited list | No |
| Weakness | CWE-200 |
| Published | 2019-07-15 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2014-10374?
charge 2 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2014-10374 being exploited?
CVE-2014-10374 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2014-10374 affect?
CVE-2014-10374 affects charge 2 firmware. Severity is medium (CVSS 6.5). On Fitbit activity-tracker devices, certain addresses never change. According to the popets-2019-0036.pdf document, this leads to "permanent trackability" and "considerable privacy concerns" without a user-accessible anonymization feature.
How urgent is CVE-2014-10374?
Priority 35/100. No elevated risk signals yet.