AUGUST 4, 2026
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Case File

CVE-2021-35953

HIGH · CVSS 7.5 EPSS 0.84%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-12-26 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. It may be remotely exploitable. It may lead to a denial-of-service condition.

CVE
CVE-2021-35953
Severity
HIGH
CVSS
7.5
EPSS
0.84%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)