CVE-2025-4394

File disclosure and modification via unencrypted storage

Published Jul 24, 2025 · Updated Mar 27, 2026

Cleartext storage in Medtronic MyCareLink Patient Monitor 24950 and 24952 before June 25, 2025 allows attackers to read and modify files. The monitor stores its internal filesystem without encryption, leaving files readable and writable when the storage is accessed. Exploitation requires physical tampering with the monitor and can expose sensitive data or manipulate monitor functionality.

CVSS severity6.8
Medium
EPSS probability0.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cleartext storage in Medtronic MyCareLink Patient Monitor 24950 and 24952 before June 25, 2025 allows attackers to read and modify files. The monitor stores its internal filesystem without encryption, leaving files readable and writable when the storage is accessed. Exploitation requires physical tampering with the monitor and can expose sensitive data or manipulate monitor functionality.

The record

CVE
CVE-2025-4394
Published
Jul 24, 2025
Updated
Mar 27, 2026
Vendor
Medtronic
Product
MyCareLink Patient Monitor 24950
Classifications
CWE-312, T1005, T1565.001
Attack vector
physical
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 24, 2025CVE publishedPublication date reported by the CVE source.
  2. Mar 27, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <June 25, 2025

What conditions does exploitation require?

Attack vectorphysical
Required privilegesunauthenticated

What is affected?

Medtronic · MyCareLink Patient Monitor 24950version=0 <June 25, 2025
Medtronic · MyCareLink Patient Monitor 24952version=0 <June 25, 2025

Published CVSS scores

6.8MedtronicCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorphysical
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-312Cleartext Storage of Sensitive Information
T1005Data from Local System
T1565.001Stored Data Manipulation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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