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CVE-2021-21817

Estado: ModificadaAlta (7.5)—

An information disclosure vulnerability exists in the Zebra IP Routing Manager functionality of D-LINK DIR-3040 1.13B03. A specially crafted network request can lead to the disclosure of sensitive information. An attacker can send a sequence of requests to trigger this vulnerability.

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 — Dir-3040 Firmware

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-21817",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
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          "attackVector": "NETWORK",
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          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
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          "userInteraction": "NONE",
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          "availabilityImpact": "NONE",
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    "cvssMetricV31": [
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  "affected": [
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      "affectedData": [
        {
          "vendor": "n/a",
          "product": "D-Link",
          "versions": [
            {
              "status": "affected",
              "version": "D-LINK DIR-3040 1.13B03"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-07-16T11:15:09.937",
  "references": [
    {
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1282",
      "tags": [
        "Exploit",
        "Third Party Advisory"
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      "source": "talos-cna@cisco.com"
    },
    {
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1282",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "talos-cna@cisco.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
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    {
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          "value": "CWE-200"
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An information disclosure vulnerability exists in the Zebra IP Routing Manager functionality of D-LINK DIR-3040 1.13B03. A specially crafted network request can lead to the disclosure of sensitive information. An attacker can send a sequence of requests to trigger this vulnerability."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de Divulgación de Información en la funcionalidad Zebra IP Routing Manager de D-LINK DIR-3040 versión 1.13B03. Una petición de red especialmente diseñada puede conllevar a la divulgación de información confidencial. Un atacante puede enviar una secuencia de peticiones para activar esta vulnerabilidad"
    }
  ],
  "lastModified": "2026-06-17T03:36:10.310",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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  "sourceIdentifier": "talos-cna@cisco.com"
}