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CVE-2022-26670

Estado: ModificadaAlta (8.8)—

D-Link DIR-878 has inadequate filtering for special characters in the webpage input field. An unauthenticated LAN attacker can perform command injection attack to execute arbitrary system commands to control the system or disrupt service.

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-878 Firmware

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2022-26670",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 8.3,
          "accessVector": "ADJACENT_NETWORK",
          "vectorString": "AV:A/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": false,
        "exploitabilityScore": 6.5,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
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        "type": "Secondary",
        "source": "twcert@cert.org.tw",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "ADJACENT_NETWORK",
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          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
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          "confidentialityImpact": "HIGH"
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  "affected": [
    {
      "source": "twcert@cert.org.tw",
      "affectedData": [
        {
          "vendor": "D-Link",
          "product": "DIR-878",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom",
              "lessThanOrEqual": "1.20b05"
            }
          ]
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  ],
  "published": "2022-04-07T19:15:08.957",
  "references": [
    {
      "url": "https://www.twcert.org.tw/tw/cp-132-5972-c259e-1.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "twcert@cert.org.tw"
    },
    {
      "url": "https://www.twcert.org.tw/tw/cp-132-5972-c259e-1.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "twcert@cert.org.tw",
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "D-Link DIR-878 has inadequate filtering for special characters in the webpage input field. An unauthenticated LAN attacker can perform command injection attack to execute arbitrary system commands to control the system or disrupt service."
    },
    {
      "lang": "es",
      "value": "D-Link DIR-878, presenta un filtro inapropiado para caracteres especiales en el campo de entrada de la página web. Un atacante LAN no autenticado puede llevar a cabo un ataque de inyección de comandos para ejecutar comandos arbitrarios del sistema para controlar el sistema o interrumpir el servicio"
    }
  ],
  "lastModified": "2026-06-17T04:35:37.343",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "versionEndIncluding": "1.20b05"
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            }
          ],
          "operator": "OR"
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      "operator": "AND"
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  ],
  "sourceIdentifier": "twcert@cert.org.tw"
}