VulnerabilityModified
CVE-2021-35953
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.
HIGH 7.5EPSS 0.84%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.84%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.84% probability · 56th percentile
- CISA KEV
- Not listed
- Affected
- fastrack/reflex 2.0 firmware
- Source
- cve@mitre.org
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.