Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2022-46400

The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) allows attackers to bypass passkey entry in legacy pairing.

Published

2022-12-19T23:15:10.960

Last Modified

2025-04-17T15:15:51.150

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.4 (MEDIUM)

Weaknesses

Type: Primary
NVD-CWE-noinfo
Type: Secondary
CWE-287

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	microchip	bm78_firmware	1.43	Yes
Hardware	microchip	bm78	-	No
Operating System	microchip	bm83_firmware	1.43	Yes
Hardware	microchip	bm83	-	No
Operating System	microchip	rn4870_firmware	1.43	Yes
Hardware	microchip	rn4870	-	No
Operating System	microchip	rn4871_firmware	1.43	Yes
Hardware	microchip	rn4871	-	No
Operating System	microchip	bm70_firmware	1.43	Yes
Hardware	microchip	bm70	-	No
Operating System	microchip	bm71_firmware	1.43	Yes
Hardware	microchip	bm71	-	No
Operating System	microchip	pic_lightblue_explorer_demo_firmware	4.2_dt100112	Yes
Hardware	microchip	pic_lightblue_explorer_demo	-	No
Operating System	microchip	is1870_firmware	1.43	Yes
Hardware	microchip	is1870	-	No
Operating System	microchip	is1871_firmware	1.43	Yes
Hardware	microchip	is1871	-	No

References

https://microchip.com Product ([email protected])
https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYM Exploit, Technical Description, Third Party Advisory ([email protected])
https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExG Third Party Advisory ([email protected])
https://www.microchip.com/en-us/products/wireless-connectivity/software-vulnerability-response/deviating-behaviors-in-bluetooth-le Vendor Advisory ([email protected])
https://microchip.com Product (af854a3a-2127-422b-91ae-364da2661108)
https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYM Exploit, Technical Description, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExG Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.microchip.com/en-us/products/wireless-connectivity/software-vulnerability-response/deviating-behaviors-in-bluetooth-le Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)