cvedb.io
CVE-2021-34145
MEDIUM · CVSS 5.3
EPSS exploitation probability: 0%
Published 2021-09-07T07:15:07.280 · Last modified 2026-06-17T03:55:30.640

Summary

The Bluetooth Classic implementation in the Cypress WICED BT stack through 2.9.0 for CYW20735B1 devices does not properly handle the reception of LMP_max_slot with an invalid Baseband packet type (and LT_ADDRESS and LT_ADDR) after completion of the LMP setup procedure, allowing attackers in radio range to trigger a denial of service (firmware crash) via a crafted LMP packet.

Affected products

cypress — wireless_internet_connectivity_for_embedded_devices

Does this affect you?

Add your gear to cvedb and we'll alert you only when cypress ships something exploited.

Check my exposure →

References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.