CVE-2022-46399

HIGH

Microchip RN4870 Firmware 1.43 - Denial of Service via ConReqTimeoutZero

Title source: llm

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

Core 4

Core References

Product

Exploit, Technical Description, Third Party Advisory

Third Party Advisory

Vendor Advisory

CVSS v3 7.5

EPSS 0.0075

EPSS Percentile 50.1%

Attack Vector ADJACENT_NETWORK

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

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

CWE

CWE-400

Status published

Products (14)

microchip/bm64_firmware 1.43

microchip/bm70_firmware 1.43

microchip/bm71_firmware 1.43

microchip/bm77_firmware 1.43

microchip/bm78_firmware 1.43

microchip/bm83_firmware 1.43

microchip/is1870_firmware 1.43

microchip/is1871_firmware 1.43

microchip/pic32cx1012bz25048_firmware 1.43

microchip/pic_lightblue_explorer_demo_firmware 4.2_dt100112

... and 4 more

Published Dec 19, 2022

Tracked Since Feb 18, 2026