CVE-2025-4386 (GCVE-0-2025-4386)

Vulnerability from cvelistv5 – Published: 2026-05-07 15:00 – Updated: 2026-05-07 15:43
VLAI?
Title
Medtronic MyCareLink Patient Monitor Hardware Debug Port
Summary
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.​
Severity ?
6.8 (Medium)
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-1263 - Improper Physical Access Control
Assigner
References
Impacted products
Vendor Product Version
Medtronic MyCareLink Patient Monitor 24950 Affected: 0 , < February 25, 2026 (custom)
Create a notification for this product.
Credits
Ethan Morchy, with Somerset Recon Carl Mann, independent researcher
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-4386",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-07T15:43:31.207004Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-07T15:43:39.136Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "MyCareLink Patient Monitor 24950",
          "vendor": "Medtronic",
          "versions": [
            {
              "lessThan": "February 25, 2026",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MyCareLink Patient Monitor 24952",
          "vendor": "Medtronic",
          "versions": [
            {
              "lessThan": "February 25, 2026",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Ethan Morchy, with Somerset Recon"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "Carl Mann, independent researcher"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "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.\u200b"
            }
          ],
          "value": "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.\u200b"
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-401",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-401 Physically Hacking Hardware"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "PHYSICAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-1263",
              "description": "CWE-1263: Improper Physical Access Control",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-07T15:00:21.310Z",
        "orgId": "3c337f33-b2bd-4529-9792-f48cdb2838b4",
        "shortName": "Medtronic"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.medtronic.com/en-us/e/product-security/security-bulletins/mycarelink-patient-monitor-vulnerabilities.html"
        },
        {
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.cisa.gov/news-events/ics-medical-advisories/icsma-25-205-01"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Medtronic MyCareLink Patient Monitor Hardware Debug Port",
      "x_generator": {
        "engine": "Vulnogram 1.0.1"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "3c337f33-b2bd-4529-9792-f48cdb2838b4",
    "assignerShortName": "Medtronic",
    "cveId": "CVE-2025-4386",
    "datePublished": "2026-05-07T15:00:21.310Z",
    "dateReserved": "2025-05-06T16:28:04.304Z",
    "dateUpdated": "2026-05-07T15:43:39.136Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-4386\",\"sourceIdentifier\":\"security@medtronic.com\",\"published\":\"2026-05-07T16:16:17.287\",\"lastModified\":\"2026-05-07T18:46:47.697\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"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.\u200b\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@medtronic.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":6.8,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"PHYSICAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":0.9,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"security@medtronic.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-1263\"}]}],\"references\":[{\"url\":\"https://www.cisa.gov/news-events/ics-medical-advisories/icsma-25-205-01\",\"source\":\"security@medtronic.com\"},{\"url\":\"https://www.medtronic.com/en-us/e/product-security/security-bulletins/mycarelink-patient-monitor-vulnerabilities.html\",\"source\":\"security@medtronic.com\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-4386\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-05-07T15:43:31.207004Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-05-07T15:43:34.910Z\"}}], \"cna\": {\"title\": \"Medtronic MyCareLink Patient Monitor Hardware Debug Port\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Ethan Morchy, with Somerset Recon\"}, {\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Carl Mann, independent researcher\"}], \"impacts\": [{\"capecId\": \"CAPEC-401\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-401 Physically Hacking Hardware\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 6.8, \"attackVector\": \"PHYSICAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Medtronic\", \"product\": \"MyCareLink Patient Monitor 24950\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"February 25, 2026\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Medtronic\", \"product\": \"MyCareLink Patient Monitor 24952\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"February 25, 2026\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://www.medtronic.com/en-us/e/product-security/security-bulletins/mycarelink-patient-monitor-vulnerabilities.html\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"https://www.cisa.gov/news-events/ics-medical-advisories/icsma-25-205-01\", \"tags\": [\"third-party-advisory\"]}], \"x_generator\": {\"engine\": \"Vulnogram 1.0.1\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"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.\\u200b\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"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.\\u200b\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-1263\", \"description\": \"CWE-1263: Improper Physical Access Control\"}]}], \"providerMetadata\": {\"orgId\": \"3c337f33-b2bd-4529-9792-f48cdb2838b4\", \"shortName\": \"Medtronic\", \"dateUpdated\": \"2026-05-07T15:00:21.310Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-4386\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-07T15:43:39.136Z\", \"dateReserved\": \"2025-05-06T16:28:04.304Z\", \"assignerOrgId\": \"3c337f33-b2bd-4529-9792-f48cdb2838b4\", \"datePublished\": \"2026-05-07T15:00:21.310Z\", \"assignerShortName\": \"Medtronic\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.