CVE-2022-46399: High severity microchip bm78 firmware vulnerability

Published Dec 19, 2022
·
Updated

The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) is unresponsive with ConReqTimeoutZero.

Affected Software

56 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 Bm64 Firmware=1.43
Microchip Bm64
Microchip Bm77 Firmware=1.43
Microchip Bm77
Microchip Is1870 Firmware=1.43
Microchip Is1870
Microchip Is1871 Firmware=1.43
Microchip Is1871
Microchip Rn4678 Firmware=1.43
Microchip Rn4678
Microchip Pic32cx1012bz25048 Firmware=1.43
Microchip Pic32cx1012bz25048
Microchip Wbz451 Firmware=1.43
Microchip Wbz451
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 Bm64 Firmware=1.43
Microchip Bm64
All of the following
Microchip Bm77 Firmware=1.43
Microchip Bm77
All of the following
Microchip Is1870 Firmware=1.43
Microchip Is1870
All of the following
Microchip Is1871 Firmware=1.43
Microchip Is1871
All of the following
Microchip Rn4678 Firmware=1.43
Microchip Rn4678
All of the following
Microchip Pic32cx1012bz25048 Firmware=1.43
Microchip Pic32cx1012bz25048
All of the following
Microchip Wbz451 Firmware=1.43
Microchip Wbz451

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-2022-46399?

CVE-2022-46399 refers to a vulnerability in the Microchip RN4870 module firmware version 1.43 and the Microchip PIC LightBlue Explorer Demo version 4.2 DT100112.

2

What is the severity of CVE-2022-46399?

The severity of CVE-2022-46399 is high, with a severity value of 7.5.

3

Which software versions are affected by CVE-2022-46399?

CVE-2022-46399 affects Microchip RN4870 module firmware version 1.43 and Microchip PIC LightBlue Explorer Demo version 4.2 DT100112.

4

What is the impact of CVE-2022-46399?

CVE-2022-46399 causes the affected firmware and demo to become unresponsive with ConReqTimeoutZero.

5

Are other Microchip modules affected by CVE-2022-46399?

No, other Microchip modules like Microchip Bm78, Bm83, Rn4871, Bm70, Bm71, Bm64, Bm77, Is1870, Is1871, Rn4678, Pic32cx1012bz25048, and Wbz451 are not affected by CVE-2022-46399.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203