PT-2023-14634 · Microchip · Microchip Rn4870

Published 2023-02-07 · Updated 2025-03-25 · CVE-2022-45191

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Microchip RN4870 version 1.43

Description An issue was discovered that allows an attacker within BLE radio range to cause a denial of service by sending a pair confirm message with wrong values.

Recommendations For Microchip RN4870 version 1.43, as a temporary workaround, consider restricting access to the BLE radio range to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Weakness Enumeration

CWE-354

Related Identifiers

CVE-2022-45191

Affected Products

Microchip Rn4870

References · 6

• https://osv.dev/vulnerability/CVE-2022-45191 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-45191 · Security Note
• https://microchip.com/en-us/support/product-change-notification · Note
• https://t.me/cvenotify/116189 · Telegram Post
• https://t.me/cvenotify/43851 · Telegram Post
• https://t.me/cibsecurity/57728 · Telegram Post