How severe is CVE-2025-4386?

CVE-2025-4386 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-4386 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-4386?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-4386 have an EU (EUVD) identifier?

Yes. CVE-2025-4386 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209726.

When was CVE-2025-4386 published?

CVE-2025-4386 was published on 2026-05-07 and last updated on 2026-06-17.

CVE-2025-4386

CVE-2025-4386 is a medium-severity vulnerability with a CVSS 3.x base score of 6.8. 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-1263.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-209726
Weakness: CWE-1263
Published: 2026-05-07
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-4386?: 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.
How severe is CVE-2025-4386?: CVE-2025-4386 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-4386 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-4386?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-4386 have an EU (EUVD) identifier?: Yes. CVE-2025-4386 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209726.
When was CVE-2025-4386 published?: CVE-2025-4386 was published on 2026-05-07 and last updated on 2026-06-17.

References

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