---
id: CVE-2025-4386
title: >-
  Medtronic MyCareLink Patient Monitor has an internal serial interface, which
  allows an attacker with physical access to access a login prompt via a UART
  terminal.​
summary: >-
  Medtronic MyCareLink Patient Monitor has an internal serial interface, which
  allows an attacker with physical access to access a login prompt via a UART
  terminal.​
severity: medium
cvss: 6.8
cvssVector: 'CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-1263
published: '2026-05-07'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T13:10:00.187'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-4386'
references:
  - url: 'https://www.cisa.gov/news-events/ics-medical-advisories/icsma-25-205-01'
    label: security@medtronic.com
  - url: >-
      https://www.medtronic.com/en-us/e/product-security/security-bulletins/mycarelink-patient-monitor-vulnerabilities.html
    label: security@medtronic.com
tags:
  - nvd
epss: 0.00157
epssPercentile: 0.0435
ingestedAt: '2026-10-14T13:30:58.489Z'
---

## Overview

Medtronic MyCareLink Patient Monitor has an internal serial interface, which allows an attacker with physical access to access a login prompt via a UART terminal.​

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
