CVE-2026-35087

{
  "id": "CVE-2026-35087",
  "sourceIdentifier": "[email protected]",
  "published": "2026-05-27T14:16:44.710",
  "lastModified": "2026-10-26T11:10:00.157",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Slican telephone exchanges allow administrative protocol authentication bypass. An attacker can bypass the need to enter login credentials by executing the appropriate command.\n\n\nThis issue was fixed in versions below:\n- NCP: version 1.24.0250\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": "Las centrales telefónicas Slican permiten la omisión de autenticación del protocolo administrativo. Un atacante puede omitir la necesidad de introducir credenciales de inicio de sesión ejecutando el comando apropiado.\n\nEste problema se solucionó en las siguientes versiones:\n- NCP: versión 1.24.0250\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 centrales telefónicas fuera de soporte 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 recibir una actualización de software. El proveedor recomienda que los usuarios de estos dispositivos se pongan en contacto 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"
            }
          ]
        },
        {
          "vendor": "Slican",
          "product": "NCP",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThan": "1.24.0250",
              "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:H/VA:H/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": 9.3,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnAvailabilityImpact": "HIGH",
          "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": "2026-05-27T15:39:29.538641Z",
          "id": "CVE-2026-35087",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-288"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://cert.pl/posts/2026/05/CVE-2026-35087",
      "source": "[email protected]"
    }
  ]
}