CVE-2022-45190: microchip rn4870_firmware
CVSS: 5.3v3.1MediumModified
Published 07-02-2023Last modified 25-03-2025
Vulnerability summary
CVE-2022-45190 is a medium (CVSS 5.3) vulnerability in microchip rn4870_firmware. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 16.3% of scored vulnerabilities.
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)EPSS score
0.26%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 07-02-2023PublishedVulnerability first disclosed.
- 25-03-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 5.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:NSourcesAll 2 agree
- NVDNIST5.3MediumCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS trend
Probability
0.26%
Chance of exploitation in the next 30 days
Percentile
16%
Versus all other CVEs
30-day change
0.00 pp
From 0.26% on 20-09-2026
20-09-202620-10-2026
EPSS score0.26%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microchip1 product
- rn4870_firmware1.43
1 vendor · 1 product