CVE-2022-46401: Input Validation

Published Dec 19, 2022
·
Updated

The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) accepts PauseEncReqPlainText before pairing is complete.

Affected Software

48 affected components
Microchip Bm78 Firmware=1.43
Microchip Bm78
Microchip Bm83 Firmware=1.43
Microchip Bm83
Microchip Rn4870 Firmware=1.43
Microchip RN4870
Microchip Rn4871 Firmware=1.43
Microchip Rn4871
Microchip Bm70 Firmware=1.43
Microchip Bm70
Microchip Bm71 Firmware=1.43
Microchip Bm71
Microchip Pic Lightblue Explorer Demo Firmware=4.2_dt100112
Microchip PIC LightBlue Explorer Demo
Microchip Pic32cx1012bz25048 Firmware
Microchip Pic32cx1012bz25048
Microchip Wbz451 Firmware
Microchip Wbz451
Microchip Rn4678 Firmware=1.43
Microchip Rn4678
Microchip Bm77 Firmware=1.43
Microchip Bm77
Microchip Bm64 Firmware=1.43
Microchip Bm64
All of the following
Microchip Bm78 Firmware=1.43
Microchip Bm78
All of the following
Microchip Bm83 Firmware=1.43
Microchip Bm83
All of the following
Microchip Rn4870 Firmware=1.43
Microchip RN4870
All of the following
Microchip Rn4871 Firmware=1.43
Microchip Rn4871
All of the following
Microchip Bm70 Firmware=1.43
Microchip Bm70
All of the following
Microchip Bm71 Firmware=1.43
Microchip Bm71
All of the following
Microchip Pic Lightblue Explorer Demo Firmware=4.2_dt100112
Microchip PIC LightBlue Explorer Demo
All of the following
Microchip Pic32cx1012bz25048 Firmware
Microchip Pic32cx1012bz25048
All of the following
Microchip Wbz451 Firmware
Microchip Wbz451
All of the following
Microchip Rn4678 Firmware=1.43
Microchip Rn4678
All of the following
Microchip Bm77 Firmware=1.43
Microchip Bm77
All of the following
Microchip Bm64 Firmware=1.43
Microchip Bm64

Event History

Dec 19, 2022
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·11:15 PM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is CVE-2022-46401?

CVE-2022-46401 is a vulnerability in the Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) that allows the acceptance of PauseEncReqPlainText before pairing is complete.

2

How severe is CVE-2022-46401?

CVE-2022-46401 has a severity level of medium, with a CVSS score of 5.4.

3

Which software versions are affected by CVE-2022-46401?

The Microchip RN4870 module firmware version 1.43 is affected by CVE-2022-46401.

4

How can I fix CVE-2022-46401?

Currently, there is no official fix for CVE-2022-46401. It is recommended to follow the security guidelines provided by Microchip and stay updated with any patches or firmware updates they release.

5

Where can I find more information about CVE-2022-46401?

You can find more information about CVE-2022-46401 on the microchip.com website and in the proceedings articles published by Computer.org.

Contact

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