What’s Vulnerable › Vulnerabilities

CVE-2025-4397: Medtronic MyCareLink Patient Monitor Data Encryption Weakness

• Severity: medium (CVSS 6.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-07 · updated 2026-10-14
• Weakness: CWE-313

Description

Medtronic MyCareLink Patient Monitor uses per-product credentials that are stored in a recoverable format. An attacker can use these credentials to modify encrypted drive data.

Affected products

• Medtronic MyCareLink Patient Monitor 24950: before February 25, 2026 — fixed in 2026, February 25
• Medtronic MyCareLink Patient Monitor 24952: before February 25, 2026 — fixed in 2026, February 25

How to fix

Upgrade to a fixed version: Medtronic MyCareLink Patient Monitor 24950 2026, February 25; Medtronic MyCareLink Patient Monitor 24952 2026, February 25. Check the vendor advisory for mitigations.

References

• https://www.cisa.gov/news-events/ics-medical-advisories/icsma-18-219-01
• https://www.cisa.gov/news-events/ics-medical-advisories/icsma-25-205-01
• https://www.medtronic.com/en-us/e/product-security/security-bulletins/mycarelink-8-7-18.html
• https://www.medtronic.com/en-us/e/product-security/security-bulletins/mycarelink-patient-monitor-vulnerabilities.html

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