CVE-2026-35089

{
  "id": "CVE-2026-35089",
  "sourceIdentifier": "[email protected]",
  "published": "2026-05-27T14:16:44.847",
  "lastModified": "2026-10-26T11:10:00.157",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Slican telephone exchanges secure key is generated in a predictable manner using properties of the telephone exchange which can be obtained without authentication. An unauthenticated attacker can deduce the secure key and obtain admin credentials.\n\nThis issue was fixed in versions below:\n- IPx series: version 6.61.0040\n- CCT-1668: version 6.56.0430\n- MAC-6400: version 6.56.0430\n- CXS-0424: version 6.30.0510\n\nThe issue STILL EXISTS in End-Of-Life telephone exchanges in versions 4.xx and below:\n- CCT-1668 (CCT1CPU)\n- MAC-6400\n- CXS-0424\nThese products were discontinued in 2011 and 2012 and and will not receive updates. These products require a hardware update in order to receive a software update. The vendor recommends that users of these devices contact the their service department directly to determine the options for upgrading."
    },
    {
      "lang": "es",
      "value": "En las centralitas telefónicas Slican, la clave segura se genera de manera predecible utilizando propiedades de la centralita telefónica que pueden obtenerse sin autenticación. Un atacante no autenticado puede deducir la clave segura y obtener credenciales de administrador.\n\nEste problema se solucionó en las siguientes versiones:\n- Serie IPx: versión 6.61.0040\n- CCT-1668: versión 6.56.0430\n- MAC-6400: versión 6.56.0430\n- CXS-0424: versión 6.30.0510\n\nEl problema AÚN EXISTE en centralitas telefónicas al final de su vida útil en versiones 4.xx e inferiores:\n- CCT-1668 (CCT1CPU)\n- MAC-6400\n- CXS-0424\nEstos productos fueron descontinuados en 2011 y 2012 y no recibirán actualizaciones. Estos productos requieren una actualización de hardware para poder recibir una actualización de software. El proveedor recomienda que los usuarios de estos dispositivos contacten directamente con su departamento de servicio para determinar las opciones de actualización."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Slican",
          "product": "IPx",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThan": "6.61.0040",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Slican",
          "product": "CCT-1668",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThan": "6.56.0430",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Slican",
          "product": "MAC-6400",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThan": "6.56.0430",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Slican",
          "product": "CXS-0424",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThan": "6.30.0510",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV40": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "4.0",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "baseScore": 8.7,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "NONE",
          "vulnAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "subAvailabilityImpact": "NONE",
          "exploitMaturity": "NOT_DEFINED",
          "confidentialityRequirement": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "valueDensity": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED"
        }
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-05-27T15:30:40.190428Z",
          "id": "CVE-2026-35089",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1391"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://cert.pl/posts/2026/05/CVE-2026-35087",
      "source": "[email protected]"
    }
  ]
}