CVE-2021-35953

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

fastrack Reflex 2.0 W307S_REFLEX_v90.89 Activity Tracker allows a Remote attacker to cause a Denial of Service (device outage) via crafted choices of the last three bytes of a characteristic value.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://payatu.com/advisory/device-crash-fastrack-reflex-two-activity-trackerThird Party Advisory
https://www.fastrack.in/shop/watch-smart-wearables-reflex-2Broken Link
https://payatu.com/advisory/device-crash-fastrack-reflex-two-activity-trackerThird Party Advisory
https://www.fastrack.in/shop/watch-smart-wearables-reflex-2Broken Link

Timeline

Published: Dec 26, 2022
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

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