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CVE-2021-3707

Estado: ModificadaMedia (5.5)—

D-Link router DSL-2750U with firmware vME1.16 or prior versions is vulnerable to unauthorized configuration modification. An unauthenticated attacker on the local network may exploit this, with CVE-2021-3708, to execute any OS commands on the vulnerable device.

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 (1)

Dlink — Dsl-2750u Firmware

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-3707",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "vultures@jpcert.or.jp",
      "affectedData": [
        {
          "vendor": "D-Link",
          "product": "DSL-2750U",
          "versions": [
            {
              "status": "affected",
              "version": "firmware vME1.16 or prior versions"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-08-16T05:15:06.177",
  "references": [
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      "url": "https://github.com/HadiMed/firmware-analysis/blob/main/DSL-2750U%20%28firmware%20version%201.6%29/README.md",
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://jvn.jp/en/vu/JVNVU92088210/",
      "tags": [
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      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10230",
      "tags": [
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      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://github.com/HadiMed/firmware-analysis/blob/main/DSL-2750U%20%28firmware%20version%201.6%29/README.md",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "https://jvn.jp/en/vu/JVNVU92088210/",
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    {
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      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "vultures@jpcert.or.jp",
      "description": [
        {
          "lang": "en",
          "value": "CWE-15"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "D-Link router DSL-2750U with firmware vME1.16 or prior versions is vulnerable to unauthorized configuration modification. An unauthenticated attacker on the local network may exploit this, with CVE-2021-3708, to execute any OS commands on the vulnerable device."
    },
    {
      "lang": "es",
      "value": "El router D-Link DSL-2750U con versiones de firmware vME1.16 o versiones anteriores, es vulnerable a una modificación no autorizada de la configuración. Un atacante no autenticado en la red local puede explotar esto, con CVE-2021-3708, para ejecutar cualquier comando del Sistema Operativo en el dispositivo vulnerable."
    }
  ],
  "lastModified": "2026-06-17T04:05:35.950",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "51C13A6D-7BD6-452B-9810-1248592A7A77",
              "versionEndIncluding": "1.16"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
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            }
          ],
          "operator": "OR"
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      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "vultures@jpcert.or.jp"
}