What is CVE-2025-4393?

CVE-2025-4393 is a medium-severity vulnerability in Medtronic Mycarelink Patient Monitor 24950, classified under Deserialization of Untrusted Data. CVSS score: 6.5/10. Published 2025-07-24.

How severe is CVE-2025-4393?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Deserialization in Medtronic Mycarelink Patient Monitor 24950

CVE-2025-4393

Medtronic MyCareLink Patient Monitor has an internal service that deserializes data, which allows a local attacker to interact with the service by crafting a binary payload to crash the service or elevate privileges. This issue affects M…

Vulnerability class: Insecure Deserialization

EPSS: 0.001 (29.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H.

Affected products

Medtronic Mycarelink Patient Monitor 24950 — versions 0
Medtronic Mycarelink Patient Monitor 24952 — versions 0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

www.medtronic.com/en-us/e/product-security/security-bulletins/mycarelink-patien… (vendor-advisory)
www.cisa.gov/news-events/ics-medical-advisories/icsma-25-205-01 (third-party-advisory)

Frequently asked questions

What is CVE-2025-4393?: CVE-2025-4393 is a medium-severity vulnerability in Medtronic Mycarelink Patient Monitor 24950, classified under Deserialization of Untrusted Data. CVSS score: 6.5/10. Published 2025-07-24.
How severe is CVE-2025-4393?: Medium severity. CVSS v3 base score is 6.5 out of 10.