cve.bz

CVE-2021-35954

8.1 highEPSS 0.3%

High (8.1) in fastrack reflex 2.0 firmware. EPSS 0.3% chance of exploitation in the next 30 days.

fastrack Reflex 2.0 W307S_REFLEX_v90.89 Activity Tracker allows physically proximate attackers to dump the firmware, flash custom malicious firmware, and brick the device via the Serial Wire Debug (SWD) feature.

Severity

CVSS 3.1

8.1 high
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS
0.3% chance of exploitation in the next 30 days; higher than 26% of CVEs (scores of 2026-10-31)
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON