What is CVE-2021-35953?

CVE-2021-35953 is a high-severity vulnerability in Fastrack Reflex 2.0. CVSS score: 7.5/10. Published 2022-12-26.

How severe is CVE-2021-35953?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Fastrack Reflex 2.0

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.

EPSS: 0.008 (54.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Fastrack Reflex_2.0
Fastrack Reflex_2.0_firmware — versions 90.89
N/a — versions n/a

References

cve@mitre.org (Broken Link)
cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2021-35953?: CVE-2021-35953 is a high-severity vulnerability in Fastrack Reflex 2.0. CVSS score: 7.5/10. Published 2022-12-26.
How severe is CVE-2021-35953?: High severity. CVSS v3 base score is 7.5 out of 10.