{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2023-25556",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-25556",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2023-04-18T17:03:07.661Z",
    "updatedAt": "2025-02-05T21:15:50.417Z",
    "importedAt": "2026-10-24T01:56:53.804Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": null,
      "summary": "\nA CWE-287: Improper Authentication vulnerability exists that could allow a device to be\ncompromised when a key of less than seven digits is entered and the attacker has access to the\nKNX installation.\n\n",
      "affected": [
        {
          "vendor": "Schneider Electric",
          "product": "Merten INSTABUS Tastermodul 1fach System M 625199",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Program Version 1.0",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Schneider Electric",
          "product": "Merten INSTABUS Tastermodul 2fach System M 625299",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Program Version 1.0",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Schneider Electric",
          "product": "Merten Tasterschnittstelle 4fach plus 670804",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Program Version 1.0",
              "status": "affected"
            },
            {
              "version": "Program Version 1.2",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Schneider Electric",
          "product": "Merten KNX ARGUS 180/2,20M UP SYSTEM 631725",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Program Version 1.0",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Schneider Electric",
          "product": "Merten Jalousie-/Schaltaktor REG-K/8x/16x/10 m. HB 649908",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Program Version 1.0",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Schneider Electric",
          "product": "Merten KNX Uni-Dimmaktor LL REG-K/2x230/300 W MEG6710-0002",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Program Version 1.0",
              "status": "affected"
            },
            {
              "version": "Program Version 1.1",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Schneider Electric",
          "product": "Merten KNX Schaltakt.2x6A UP m.2 Eing. MEG6003-0002",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Program Version 0.1",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}