CVE-2021-35954 affects the fastrack Reflex 2.0 W307S_REFLEX_v90.89 Activity Tracker, allowing physically proximate attackers to manipulate the device. With a CVSS score of 8.1 (HIGH), this vulnerability permits attackers to dump firmware, flash malicious firmware, or brick the device through the Serial Wire Debug (SWD) feature. The attack requires physical proximity but has low complexity and no user interaction, leading to high integrity and availability impacts. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
90.89CPE matchmatch criteria | cpe:2.3:o:fastrack:reflex_2.0_firmware:90.89:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.