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CVE-2002-2159

Estado: ModificadaAlta (10)—

Linksys EtherFast Cable/DSL BEFSR11, BEFSR41 and BEFSRU31 with the firmware 1.42.7 upgrade installed opens TCP port 5678 for remote administration even when the "Block WAN" and "Remote Admin" options are disabled, which allows remote attackers to gain access.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (3)

Linksys — Befsr11Linksys — Befsr41Linksys — Befsru31

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2002-2159",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 10,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": true,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2002-12-31T05:00:00.000",
  "references": [
    {
      "url": "http://www.iss.net/security_center/static/9330.php",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securiteam.com/securitynews/5OP022K7GE.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/4987",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.iss.net/security_center/static/9330.php",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securiteam.com/securitynews/5OP022K7GE.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/4987",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Linksys EtherFast Cable/DSL BEFSR11, BEFSR41 and BEFSRU31 with the firmware 1.42.7 upgrade installed opens TCP port 5678 for remote administration even when the \"Block WAN\" and \"Remote Admin\" options are disabled, which allows remote attackers to gain access."
    }
  ],
  "lastModified": "2026-06-16T22:00:45.473",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:linksys:befsr11:1.42.7:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A7F5E5AA-6469-4405-BDE9-AD4D174A1A6F"
            },
            {
              "criteria": "cpe:2.3:h:linksys:befsr41:1.42.7:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "525E00CA-DEEA-410F-A90C-C73C8D304E36"
            },
            {
              "criteria": "cpe:2.3:h:linksys:befsru31:1.42.7:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "958AF49D-FB97-476F-B8DF-5A760F72DBC6"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}