CVE-2021-34148

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…

published September 7, 2021

CVSS
—
EPSS
1%
Percentile
47.0
In the wild
Unconfirmed
What it is

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 a greater ACL Length 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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00581 · 47.0th percentile
Published
2021-09-07T06:24Z
EPSS history
Timeline
  • 07 SEP 06:24Z
    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…
    cvelistv5