CVE-2021-35952

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-12-26 · updated 2026-06-17

Description

fastrack Reflex 2.0 W307S_REFLEX_v90.89 Activity Tracker allows a Remote attacker to change the time, date, and month via Bluetooth LE Characteristics on handle 0x0017.

Affected products

Fastrack Reflex 2.0 Firmware: 90.89

References

https://payatu.com/advisory/lack-of-bluetooth-le-pairing-fastrack-reflex
https://www.fastrack.in/shop/watch-smart-wearables-reflex-2
https://payatu.com/advisory/lack-of-bluetooth-le-pairing-fastrack-reflex
https://www.fastrack.in/shop/watch-smart-wearables-reflex-2

Get alerted when CVE-2021-35952 or the next vulnerability affects your stack