CVE-2021-34148 is a denial-of-service vulnerability affecting Cypress CYW20735B1 devices running the WICED BT stack through version 2.9.0. An attacker within radio range can trigger a firmware crash by sending a specially crafted Bluetooth LMP packet. This vulnerability has a CVSS score of 6.5 (Medium), indicating a low attack complexity and no user interaction required, with the primary impact being system availability. While there are no known public exploits or Metasploit modules, the vulnerability has garnered some community discussion and media coverage, suggesting awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.9.0CPE matchmatch criteria | cpe:2.3:o:cypress:wireless_internet_connectivity_for_embedded_devices:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.