Denial of Service Vulnerability in Microchip RN4870 Bluetooth Devices
CVE-2022-45192

6.5MEDIUM

Key Information:

Vendor

Microchip

Status
Rn4870 Firmware
Vendor
CVE Published:
8 February 2023

What is CVE-2022-45192?

A vulnerability exists in Microchip RN4870 version 1.43, where an attacker within the Bluetooth Low Energy (BLE) radio range can exploit a flaw by sending a cleartext encryption pause request. This malicious action leads to a denial of service, causing the device to become unresponsive or unavailable. It is crucial for users of these devices to implement safeguards to protect against potential exploit attempts.

References

https://blediff.github.io/

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.