CVE-2025-4393

CVE-2025-4393 is a medium-severity vulnerability with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-502.

Key facts

Description

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 MyCareLink Patient Monitor models 24950 and 24952: before June 25, 2025

Frequently asked questions

What is 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 MyCareLink Patient Monitor models 24950 and 24952: before June 25, 2025
How severe is CVE-2025-4393?
CVE-2025-4393 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability high.
Is CVE-2025-4393 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-4393?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-4393 have an EU (EUVD) identifier?
Yes. CVE-2025-4393 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22528.
When was CVE-2025-4393 published?
CVE-2025-4393 was published on 2025-07-24 and last updated on 2026-06-17.

References

Other CWE-502 (Deserialization of Untrusted Data) vulnerabilities

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