CVE-2026-40425 (GCVE-0-2026-40425)

Vulnerability from cvelistv5 – Published: 2026-05-29 17:47 – Updated: 2026-05-29 17:47
VLAI
Title
MacGregor Voyage Data Recorder (VDR) G4e Files or Directories Accessible to External Parties
Summary
The administrator account for the Danelec MacGregor Voyage Data Recorder web interface can directly edit sensitive files related to authentication, potentially changing the root password.
Severity
5.7 (Medium)
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:L
6.9 (Medium)
CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N
CWE
Assigner
References
Impacted products
Date Public
2026-05-28 17:22
Credits
Andrew Tierney of Pen Test Partners reported these vulnerabilities to CISA.
Show details on NVD website
To clipboard 

{
  "containers": {
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "MacGregor Voyage Data Recorder (VDR) G4e",
          "vendor": "Danelec",
          "versions": [
            {
              "lessThan": "5.250",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
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      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Andrew Tierney of Pen Test Partners reported these vulnerabilities to CISA."
        }
      ],
      "datePublic": "2026-05-28T17:22:00.000Z",
      "descriptions": [
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              "value": "\u003cspan\u003eThe administrator account for the\u003c/span\u003e\n\n\u003cspan\u003eDanelec MacGregor Voyage Data Recorder\u003c/span\u003e\n\u003cspan\u003eweb interface can directly edit sensitive files related to authentication, potentially changing the root password.\u003c/span\u003e"
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            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "ADJACENT",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "HIGH",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
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            "valueDensity": "NOT_DEFINED",
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      "providerMetadata": {
        "dateUpdated": "2026-05-29T17:47:17.918Z",
        "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
        "shortName": "icscert"
      },
      "references": [
        {
          "url": "https://www.danelec.com/contact"
        },
        {
          "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-148-01"
        },
        {
          "url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-148-01.json"
        }
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      "solutions": [
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          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cspan\u003eDanelec has released firmware version V5.250 to resolve these vulnerabilities. Users of MacGregor Voyage Data Recorder (VDR) G4e devices are encouraged to update the firmware at the earliest service attendance rather than waiting for an annual performance test. Contact Danelec with additional questions:\u0026nbsp;\u003c/span\u003e\u003ca href=\"https://www.danelec.com/contact\"\u003ehttps://www.danelec.com/contact\u003c/a\u003e"
            }
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          "value": "Danelec has released firmware version V5.250 to resolve these vulnerabilities. Users of MacGregor Voyage Data Recorder (VDR) G4e devices are encouraged to update the firmware at the earliest service attendance rather than waiting for an annual performance test. Contact Danelec with additional questions:\u00a0 https://www.danelec.com/contact"
        }
      ],
      "source": {
        "advisory": "ICSA-26-148-01",
        "discovery": "EXTERNAL"
      },
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      }
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    "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
    "assignerShortName": "icscert",
    "cveId": "CVE-2026-40425",
    "datePublished": "2026-05-29T17:47:17.918Z",
    "dateReserved": "2026-05-07T16:55:26.137Z",
    "dateUpdated": "2026-05-29T17:47:17.918Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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  }
}


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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.