MEDIUM
CVE-2025-4386
CWE-1263Published: May 7, 2026· Updated: May 7, 2026
6.8
CVSS v3.1
EPSS:0.02%probability of exploitation in 30 daysPercentile:6.1th
Official 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.
Technical Analysis
CVE-2025-4386 requires local access, meaning attackers must already have a foothold on the target system.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 6.8.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorPhysical
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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Rapid7 / Metasploit
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PacketStorm
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NVD Detail
Official NIST entry
MITRE CVE
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All References (2)
Quick Facts
CVE IDCVE-2025-4386
CVSS Score6.8 / 10
SeverityMEDIUM
WeaknessCWE-1263
CISA KEVNo
EPSS (30d)0.02%
PublishedMay 7, 2026
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2025-4386 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.