HOMEVULNERABILITIESCVE-2022-45190
MEDIUM

CVE-2022-45190

CWE-306Published: February 8, 2023· Updated: Jun 17, 2026

5.3
CVSS v3.1

Official Description

An issue was discovered on Microchip RN4870 1.43 devices. An attacker within BLE radio range can bypass passkey entry in the legacy pairing of the device.

NVD Source

Technical Analysis

CVE-2022-45190 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 5.3.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityHigh
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Vendors & Products

microchip2 product(s)
rn4870 firmwarern4870
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (2)

https://blediff.github.io/Technical Description · Third Party Advisory
https://blediff.github.io/Technical Description · Third Party Advisory

Quick Facts

CVE IDCVE-2022-45190
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-306
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 8, 2023

Related CVEs (CWE-306)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2022-45190 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.