CVE-2022-46403

Published: Dec 19, 2022Modified: Jun 17, 2026

8.6

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

Exploitability: 3.9 / Impact: 4.0

Source: NVD

Description

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

Affected (9)

Products: Microchip: Bm78 Firmware, Bm83 Firmware, Rn4870 Firmware, Rn4871 Firmware, Bm70 Firmware, Bm71 Firmware, Pic Lightblue Explorer Demo Firmware, Is1871 Firmware, Is1870 Firmware

9 products

Pic Lightblue Explorer Demo Firmware

Is1871 Firmware

Is1870 Firmware

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Microchip Bm78 Firmware	Version 1.43

Running on/with	Platform Versions
Microchip Bm78	All versions

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Microchip Bm83 Firmware	Version 1.43

Running on/with	Platform Versions
Microchip Bm83	All versions

Configuration C

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Microchip Rn4870 Firmware	Version 1.43

Running on/with	Platform Versions
Microchip Rn4870	All versions

Configuration D

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Microchip Rn4871 Firmware	Version 1.43

Running on/with	Platform Versions
Microchip Rn4871	All versions

Configuration E

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Microchip Bm70 Firmware	Version 1.43

Running on/with	Platform Versions
Microchip Bm70	All versions

Configuration F

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Microchip Bm71 Firmware	Version 1.43

Running on/with	Platform Versions
Microchip Bm71	All versions

Configuration G

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Microchip Pic Lightblue Explorer Demo Firmware	Version 4.2_dt100112

Running on/with	Platform Versions
Microchip Pic Lightblue Explorer Demo	All versions

Configuration H

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Microchip Is1871 Firmware	Version 1.43

Running on/with	Platform Versions
Microchip Is1871	All versions

Configuration I

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Microchip Is1870 Firmware	Version 1.43

Running on/with	Platform Versions
Microchip Is1870	All versions

Related CWEs

CWE-755

Improper Handling of Exceptional Conditions

The product does not handle or incorrectly handles an exceptional condition.

References (8)

https://microchip.com

Source: cve@mitre.org

Product

https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYM

Source: cve@mitre.org

ExploitTechnical DescriptionThird Party Advisory

https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExG

Source: cve@mitre.org

Third Party Advisory

https://www.microchip.com/en-us/products/wireless-connectivity/software-vulnerability-response/deviating-behaviors-in-bluetooth-le

Source: cve@mitre.org

Vendor Advisory

https://microchip.com

Source: af854a3a-2127-422b-91ae-364da2661108

Product

https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYM

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitTechnical DescriptionThird Party Advisory

https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExG

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://www.microchip.com/en-us/products/wireless-connectivity/software-vulnerability-response/deviating-behaviors-in-bluetooth-le

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.