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FKIE_CVE-2020-29557

Vulnerability from fkie_nvd - Published: 2021-01-29 20:15 - Updated: 2026-06-17 03:11
Severity
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
An issue was discovered on D-Link DIR-825 R1 devices through 3.0.1 before 2020-11-20. A buffer overflow in the web interface allows attackers to achieve pre-authentication remote code execution.
References
cve@mitre.orghttps://shaqed.github.io/dlink/Broken Link, Exploit, Third Party Advisory
cve@mitre.orghttps://www.dlink.ru/ru/download2/5/19/2354/441/Product
af854a3a-2127-422b-91ae-364da2661108https://shaqed.github.io/dlink/Broken Link, Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.dlink.ru/ru/download2/5/19/2354/441/Product
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-29557US Government Resource
Impacted products
Vendor Product Version
dlink dir-825_r1_firmware *
dlink dir-825 r1
dlink dir-825\/a d1a
dlink dir-825\/ac e
dlink dir-825\/ac e1a
dlink dir-825\/acf f1
dlink dir-825\/gf gf
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "cisaActionDue": "2022-05-03",
  "cisaExploitAdd": "2021-11-03",
  "cisaRequiredAction": "Apply updates per vendor instructions.",
  "cisaVulnerabilityName": "D-Link DIR-825 R1 Devices Buffer Overflow Vulnerability",
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:dlink:dir-825_r1_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "34DB7F07-2D64-4532-BF64-28BA4B19ED89",
              "versionEndIncluding": "3.0.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:dlink:dir-825:r1:*:*:*:*:*:*:*",
              "matchCriteriaId": "20E00B08-C149-4F58-8D9F-70F51094ABA4",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:dlink:dir-825\\/a:d1a:*:*:*:*:*:*:*",
              "matchCriteriaId": "D166832F-323A-4D97-A0BC-BC1C5FFABC15",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:dlink:dir-825\\/ac:e:*:*:*:*:*:*:*",
              "matchCriteriaId": "31A2917E-3DD9-4744-B46B-D82119DC986F",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:dlink:dir-825\\/ac:e1a:*:*:*:*:*:*:*",
              "matchCriteriaId": "8723A1A3-66F8-4393-8AD2-799E6960058D",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:dlink:dir-825\\/acf:f1:*:*:*:*:*:*:*",
              "matchCriteriaId": "60BA2C90-EF68-4AC3-B09C-7CECDE2A891E",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:dlink:dir-825\\/gf:gf:*:*:*:*:*:*:*",
              "matchCriteriaId": "AB58664E-6140-4B48-988E-C13391AC7166",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered on D-Link DIR-825 R1 devices through 3.0.1 before 2020-11-20. A buffer overflow in the web interface allows attackers to achieve pre-authentication remote code execution."
    },
    {
      "lang": "es",
      "value": "Se detect\u00f3 un problema en los dispositivos D-Link DIR-825 R1 versiones hasta 3.0.1 antes del 20-11-2020.\u0026#xa0;Un desbordamiento del b\u00fafer en la interfaz web permite a atacantes lograr una ejecuci\u00f3n de c\u00f3digo remota antes de la autenticaci\u00f3n"
    }
  ],
  "id": "CVE-2020-29557",
  "lastModified": "2026-06-17T03:11:25.717",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 10.0,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2020-29557",
          "options": [
            {
              "exploitation": "active"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-02-07T13:48:53.048965Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2021-01-29T20:15:12.933",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link",
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://shaqed.github.io/dlink/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Product"
      ],
      "url": "https://www.dlink.ru/ru/download2/5/19/2354/441/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link",
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://shaqed.github.io/dlink/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Product"
      ],
      "url": "https://www.dlink.ru/ru/download2/5/19/2354/441/"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-29557"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}



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