FKIE_CVE-2024-33345

Vulnerability from fkie_nvd - Published: 2024-04-29 18:15 - Updated: 2026-06-17 07:31
Severity
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Summary
D-Link DIR-823G A1V1.0.2B05 was found to contain a Null-pointer dereference in the main function of upload_firmware.cgi, which allows remote attackers to cause a Denial of Service (DoS) via a crafted input.
References
cve@mitre.orghttp://www.dlink.com.cn/techsupport/ProductInfo.aspx?m=DIR-823GProduct
cve@mitre.orghttps://github.com/n0wstr/IOTVuln/tree/main/DIR-823g/UploadFirmwareExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.dlink.com.cn/techsupport/ProductInfo.aspx?m=DIR-823GProduct
af854a3a-2127-422b-91ae-364da2661108https://github.com/n0wstr/IOTVuln/tree/main/DIR-823g/UploadFirmwareExploit, Third Party Advisory
Impacted products
Vendor Product Version
dlink dir-823g_firmware 1.0.2b05
dlink dir-823g a1
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    },
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:d-link:dir-823g:a1v1.0.2b05:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "dir-823g",
          "vendor": "d-link",
          "versions": [
            {
              "status": "affected",
              "version": "a1v1.0.2b05"
            }
          ]
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:dlink:dir-823g_firmware:1.0.2b05:*:*:*:*:*:*:*",
              "matchCriteriaId": "14A8546A-7F37-43D2-AD1E-DF65C6734057",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:dlink:dir-823g:a1:*:*:*:*:*:*:*",
              "matchCriteriaId": "EF303ADD-7BAC-4D2A-B644-D03B23F76DDB",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "D-Link DIR-823G A1V1.0.2B05 was found to contain a Null-pointer dereference in the main function of upload_firmware.cgi, which allows remote attackers to cause a Denial of Service (DoS) via a crafted input."
    },
    {
      "lang": "es",
      "value": "Se descubri\u00f3 que D-Link DIR-823G A1V1.0.2B05 conten\u00eda una desreferencia de puntero nulo en la funci\u00f3n principal de upload_firmware.cgi, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (DoS) a trav\u00e9s de una entrada manipulada."
    }
  ],
  "id": "CVE-2024-33345",
  "lastModified": "2026-06-17T07:31:41.657",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-33345",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-04-30T14:47:30.156665Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-04-29T18:15:07.990",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Product"
      ],
      "url": "http://www.dlink.com.cn/techsupport/ProductInfo.aspx?m=DIR-823G"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://github.com/n0wstr/IOTVuln/tree/main/DIR-823g/UploadFirmware"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Product"
      ],
      "url": "http://www.dlink.com.cn/techsupport/ProductInfo.aspx?m=DIR-823G"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://github.com/n0wstr/IOTVuln/tree/main/DIR-823g/UploadFirmware"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}



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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

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  • 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.



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