{"cve":"CVE-2022-46399","nvd":{"published":"2022-12-19T23:15:10.897","modified":"2026-06-17T05:11:41.907","status":"Modified","description":"The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) is unresponsive with ConReqTimeoutZero.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","score":7.5},"cwes":["CWE-400"],"references":["https://microchip.com","https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYM","https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExG","https://www.microchip.com/en-us/products/wireless-connectivity/software-vulnerability-response/deviating-behaviors-in-bluetooth-le","https://microchip.com"],"products":["microchip:bm64_firmware","microchip:bm70_firmware","microchip:bm71_firmware","microchip:bm77_firmware","microchip:bm78_firmware","microchip:bm83_firmware","microchip:is1870_firmware","microchip:is1871_firmware","microchip:pic32cx1012bz25048_firmware","microchip:pic_lightblue_explorer_demo_firmware","microchip:rn4678_firmware","microchip:rn4870_firmware","microchip:rn4871_firmware","microchip:wbz451_firmware"],"source":"nvd","synced_at":"2026-10-19T21:37:31.370122805+00:00"},"epss":{"cve":"CVE-2022-46399","score":0.00768,"percentile":0.55591,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}