high
8.6
Advisory Published
Updated

CVE-2022-46403

First published: Mon Dec 19 2022(Updated: )

The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) mishandles reject messages.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
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 Is1871 Firmware=1.43
Microchip Is1871
Microchip Is1870 Firmware=1.43
Microchip Is1870
All of
Microchip Bm78 Firmware=1.43
Microchip Bm78
All of
Microchip Bm83 Firmware=1.43
Microchip Bm83
All of
Microchip Rn4870 Firmware=1.43
Microchip RN4870
All of
Microchip Rn4871 Firmware=1.43
Microchip Rn4871
All of
Microchip Bm70 Firmware=1.43
Microchip Bm70
All of
Microchip Bm71 Firmware=1.43
Microchip Bm71
All of
Microchip Pic Lightblue Explorer Demo Firmware=4.2_dt100112
Microchip PIC LightBlue Explorer Demo
All of
Microchip Is1871 Firmware=1.43
Microchip Is1871
All of
Microchip Is1870 Firmware=1.43
Microchip Is1870

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2022-46403?

    The severity of CVE-2022-46403 is high with a CVSS score of 8.6.

  • Which Microchip products are affected by CVE-2022-46403?

    Microchip products with firmware version 1.43, including Microchip Bm78 Firmware, Microchip Bm83 Firmware, Microchip Rn4870 Firmware, Microchip Rn4871 Firmware, Microchip Bm70 Firmware, Microchip Bm71 Firmware, Microchip Pic Lightblue Explorer Demo Firmware, Microchip Is1871 Firmware, and Microchip Is1870 Firmware.

  • How does CVE-2022-46403 impact Microchip RN4870 module firmware?

    CVE-2022-46403 exposes a vulnerability in the Microchip RN4870 module firmware 1.43, allowing an attacker to mishandle reject messages.

  • Is Microchip RN4870 module firmware 1.43 vulnerable to CVE-2022-46403?

    Yes, Microchip RN4870 module firmware 1.43 is vulnerable to CVE-2022-46403.

  • Where can I find more information about CVE-2022-46403?

    You can find more information about CVE-2022-46403 at the following references: [https://microchip.com](https://microchip.com), [https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYM](https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYM), [https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExG](https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExG)

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