CVE-2021-35954

State: Published
Severity: 8.1 High
Published: Dec 26, 2022
Updated: Apr 14, 2025
Reserved: Jun 29, 2021

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	8.1 High	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H	CISA-ADP

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://www.fastrack.in/shop/watch-smart-wearables-reflex-2
https://payatu.com/advisory/dumping-and-re-flashing-firmware-fastrack-reflex

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