FKIE_CVE-2018-6211

Vulnerability from fkie_nvd - Published: 2018-06-20 16:29 - Updated: 2026-06-17 02:01
Severity
7.2 (High) - CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
On D-Link DIR-620 devices with a certain customized (by ISP) variant of firmware 1.0.3, 1.0.37, 1.3.1, 1.3.3, 1.3.7, 1.4.0, and 2.0.22, OS command injection is possible as a result of incorrect processing of the res_buf parameter to index.cgi.
References
cve@mitre.orghttp://www.securitynewspaper.com/2018/05/25/d-link-dir-620-routers-critical-vulnerabilities/Third Party Advisory
cve@mitre.orghttps://securelist.com/backdoors-in-d-links-backyard/85530/Exploit, Third Party Advisory
cve@mitre.orghttps://securityaffairs.co/wordpress/72839/hacking/d-link-dir-620-flaws.htmlThird Party Advisory
cve@mitre.orghttps://www.bleepingcomputer.com/news/security/backdoor-account-found-in-d-link-dir-620-routers/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securitynewspaper.com/2018/05/25/d-link-dir-620-routers-critical-vulnerabilities/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://securelist.com/backdoors-in-d-links-backyard/85530/Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://securityaffairs.co/wordpress/72839/hacking/d-link-dir-620-flaws.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.bleepingcomputer.com/news/security/backdoor-account-found-in-d-link-dir-620-routers/Third Party Advisory
Impacted products
Vendor Product Version
d-link dir-620_firmware 1.0.3
d-link dir-620_firmware 1.0.37
d-link dir-620_firmware 1.3.1
d-link dir-620_firmware 1.3.3
d-link dir-620_firmware 1.3.7
d-link dir-620_firmware 1.4.0
d-link dir-620_firmware 2.0.22
dlink dir-620 -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:d-link:dir-620_firmware:1.0.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "EDC6FED4-DAB2-4B30-AD72-EBA8DEBE867D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:d-link:dir-620_firmware:1.0.37:*:*:*:*:*:*:*",
              "matchCriteriaId": "A3766E4D-10C1-41AE-BB3C-F72CC46272C8",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:d-link:dir-620_firmware:1.3.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "135FB2AD-C1D4-465F-8F29-DCC537B5864A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:d-link:dir-620_firmware:1.3.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "C1B25AAD-A8DA-41AC-8C45-C015D5B2FD7D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:d-link:dir-620_firmware:1.3.7:*:*:*:*:*:*:*",
              "matchCriteriaId": "CD36F6E0-ADB5-42F2-B434-CE661587C53D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:d-link:dir-620_firmware:1.4.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "22C527A9-677A-4F50-8D3B-405E66F3F434",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:d-link:dir-620_firmware:2.0.22:*:*:*:*:*:*:*",
              "matchCriteriaId": "C7AEB349-D1FF-4696-9FE3-69B2EF7554AA",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:dlink:dir-620:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "1DF4C296-C8AA-4197-B280-ED5D22C70156",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "On D-Link DIR-620 devices with a certain customized (by ISP) variant of firmware 1.0.3, 1.0.37, 1.3.1, 1.3.3, 1.3.7, 1.4.0, and 2.0.22, OS command injection is possible as a result of incorrect processing of the res_buf parameter to index.cgi."
    },
    {
      "lang": "es",
      "value": "En dispositivos D-Link DIR-620 con una determinada variante personalizada (por proveedor de Internet) del firmware 1.0.3, 1.0.37, 1.3.1, 1.3.3, 1.3.7, 1.4.0 y 2.0.22, es posible la inyecci\u00f3n de comandos del sistema operativo como resultado del procesamiento err\u00f3neo del par\u00e1metro res_buf en index.cgi."
    }
  ],
  "id": "CVE-2018-6211",
  "lastModified": "2026-06-17T02:01:31.240",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 9.0,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.2,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-06-20T16:29:00.327",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.securitynewspaper.com/2018/05/25/d-link-dir-620-routers-critical-vulnerabilities/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://securelist.com/backdoors-in-d-links-backyard/85530/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://securityaffairs.co/wordpress/72839/hacking/d-link-dir-620-flaws.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.bleepingcomputer.com/news/security/backdoor-account-found-in-d-link-dir-620-routers/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.securitynewspaper.com/2018/05/25/d-link-dir-620-routers-critical-vulnerabilities/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://securelist.com/backdoors-in-d-links-backyard/85530/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://securityaffairs.co/wordpress/72839/hacking/d-link-dir-620-flaws.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.bleepingcomputer.com/news/security/backdoor-account-found-in-d-link-dir-620-routers/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.