Description
The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) mishandles reject messages.
References (4)
Core 4
Core References
Product
https://microchip.com
Exploit, Technical Description, Third Party Advisory
https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYM
Third Party Advisory
https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExG
Scores
CVSS v3
8.6
EPSS
0.0083
EPSS Percentile
52.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-755
Status
published
Products (9)
microchip/bm70_firmware
1.43
microchip/bm71_firmware
1.43
microchip/bm78_firmware
1.43
microchip/bm83_firmware
1.43
microchip/is1870_firmware
1.43
microchip/is1871_firmware
1.43
microchip/pic_lightblue_explorer_demo_firmware
4.2_dt100112
microchip/rn4870_firmware
1.43
microchip/rn4871_firmware
1.43
Published
Dec 19, 2022
Tracked Since
Feb 18, 2026