Vulnerability-Lookup

VAR-202309-2863

Vulnerability from variot - Updated: 2025-08-02 23:01

D-Link DIR-619L B1 2.02 is vulnerable to Buffer Overflow via formSetWanDhcpplus function. D-Link Systems, Inc. of DIR-619L An out-of-bounds write vulnerability exists in firmware.Service operation interruption (DoS) It may be in a state. The D-Link DIR-619L is a wireless router designed for home and small office environments. It implements the IEEE 802.11n standard and offers a maximum transmission rate of 300Mbps. Detailed vulnerability details are not available at this time

Show details on source website

JSON

To clipboard

{
  "@context": {
    "@vocab": "https://www.variotdbs.pl/ref/VARIoTentry#",
    "affected_products": {
      "@id": "https://www.variotdbs.pl/ref/affected_products"
    },
    "configurations": {
      "@id": "https://www.variotdbs.pl/ref/configurations"
    },
    "credits": {
      "@id": "https://www.variotdbs.pl/ref/credits"
    },
    "cvss": {
      "@id": "https://www.variotdbs.pl/ref/cvss/"
    },
    "description": {
      "@id": "https://www.variotdbs.pl/ref/description/"
    },
    "exploit_availability": {
      "@id": "https://www.variotdbs.pl/ref/exploit_availability/"
    },
    "external_ids": {
      "@id": "https://www.variotdbs.pl/ref/external_ids/"
    },
    "iot": {
      "@id": "https://www.variotdbs.pl/ref/iot/"
    },
    "iot_taxonomy": {
      "@id": "https://www.variotdbs.pl/ref/iot_taxonomy/"
    },
    "patch": {
      "@id": "https://www.variotdbs.pl/ref/patch/"
    },
    "problemtype_data": {
      "@id": "https://www.variotdbs.pl/ref/problemtype_data/"
    },
    "references": {
      "@id": "https://www.variotdbs.pl/ref/references/"
    },
    "sources": {
      "@id": "https://www.variotdbs.pl/ref/sources/"
    },
    "sources_release_date": {
      "@id": "https://www.variotdbs.pl/ref/sources_release_date/"
    },
    "sources_update_date": {
      "@id": "https://www.variotdbs.pl/ref/sources_update_date/"
    },
    "threat_type": {
      "@id": "https://www.variotdbs.pl/ref/threat_type/"
    },
    "title": {
      "@id": "https://www.variotdbs.pl/ref/title/"
    },
    "type": {
      "@id": "https://www.variotdbs.pl/ref/type/"
    }
  },
  "@id": "https://www.variotdbs.pl/vuln/VAR-202309-2863",
  "affected_products": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/affected_products#",
      "data": {
        "@container": "@list"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        },
        "@id": "https://www.variotdbs.pl/ref/sources"
      }
    },
    "data": [
      {
        "model": "dir-619l",
        "scope": "eq",
        "trust": 1.0,
        "vendor": "dlink",
        "version": "2.02"
      },
      {
        "model": "dir-619l",
        "scope": null,
        "trust": 0.8,
        "vendor": "d link",
        "version": null
      },
      {
        "model": "dir-619l",
        "scope": "eq",
        "trust": 0.8,
        "vendor": "d link",
        "version": null
      },
      {
        "model": "dir-619l",
        "scope": "eq",
        "trust": 0.8,
        "vendor": "d link",
        "version": "dir-619l  firmware  2.02"
      },
      {
        "model": "dir-619l b1",
        "scope": "eq",
        "trust": 0.6,
        "vendor": "d link",
        "version": "2.02"
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2025-17401"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2023-013276"
      },
      {
        "db": "NVD",
        "id": "CVE-2023-43863"
      }
    ]
  },
  "cve": "CVE-2023-43863",
  "cvss": {
    "@context": {
      "cvssV2": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/cvss/cvssV2#"
        },
        "@id": "https://www.variotdbs.pl/ref/cvss/cvssV2"
      },
      "cvssV3": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/cvss/cvssV3#"
        },
        "@id": "https://www.variotdbs.pl/ref/cvss/cvssV3/"
      },
      "severity": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/cvss/severity#"
        },
        "@id": "https://www.variotdbs.pl/ref/cvss/severity"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        },
        "@id": "https://www.variotdbs.pl/ref/sources"
      }
    },
    "data": [
      {
        "cvssV2": [
          {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "author": "CNVD",
            "availabilityImpact": "COMPLETE",
            "baseScore": 7.8,
            "confidentialityImpact": "NONE",
            "exploitabilityScore": 10.0,
            "id": "CNVD-2025-17401",
            "impactScore": 6.9,
            "integrityImpact": "NONE",
            "severity": "HIGH",
            "trust": 0.6,
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
            "version": "2.0"
          }
        ],
        "cvssV3": [
          {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "author": "nvd@nist.gov",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "exploitabilityScore": 3.9,
            "id": "CVE-2023-43863",
            "impactScore": 3.6,
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "trust": 1.0,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          {
            "attackComplexity": "Low",
            "attackVector": "Network",
            "author": "NVD",
            "availabilityImpact": "High",
            "baseScore": 7.5,
            "baseSeverity": "High",
            "confidentialityImpact": "None",
            "exploitabilityScore": null,
            "id": "CVE-2023-43863",
            "impactScore": null,
            "integrityImpact": "None",
            "privilegesRequired": "None",
            "scope": "Unchanged",
            "trust": 0.8,
            "userInteraction": "None",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          }
        ],
        "severity": [
          {
            "author": "nvd@nist.gov",
            "id": "CVE-2023-43863",
            "trust": 1.0,
            "value": "HIGH"
          },
          {
            "author": "NVD",
            "id": "CVE-2023-43863",
            "trust": 0.8,
            "value": "High"
          },
          {
            "author": "CNVD",
            "id": "CNVD-2025-17401",
            "trust": 0.6,
            "value": "HIGH"
          }
        ]
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2025-17401"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2023-013276"
      },
      {
        "db": "NVD",
        "id": "CVE-2023-43863"
      }
    ]
  },
  "description": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/description#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": "D-Link DIR-619L B1 2.02 is vulnerable to Buffer Overflow via formSetWanDhcpplus function. D-Link Systems, Inc. of DIR-619L An out-of-bounds write vulnerability exists in firmware.Service operation interruption (DoS) It may be in a state. The D-Link DIR-619L is a wireless router designed for home and small office environments. It implements the IEEE 802.11n standard and offers a maximum transmission rate of 300Mbps. Detailed vulnerability details are not available at this time",
    "sources": [
      {
        "db": "NVD",
        "id": "CVE-2023-43863"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2023-013276"
      },
      {
        "db": "CNVD",
        "id": "CNVD-2025-17401"
      }
    ],
    "trust": 2.16
  },
  "external_ids": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/external_ids#",
      "data": {
        "@container": "@list"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": [
      {
        "db": "NVD",
        "id": "CVE-2023-43863",
        "trust": 3.2
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2023-013276",
        "trust": 0.8
      },
      {
        "db": "CNVD",
        "id": "CNVD-2025-17401",
        "trust": 0.6
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2025-17401"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2023-013276"
      },
      {
        "db": "NVD",
        "id": "CVE-2023-43863"
      }
    ]
  },
  "id": "VAR-202309-2863",
  "iot": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/iot#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": true,
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2025-17401"
      }
    ],
    "trust": 0.06
  },
  "iot_taxonomy": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/iot_taxonomy#",
      "data": {
        "@container": "@list"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": [
      {
        "category": [
          "Network device"
        ],
        "sub_category": null,
        "trust": 0.6
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2025-17401"
      }
    ]
  },
  "last_update_date": "2025-08-02T23:01:30.945000Z",
  "patch": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/patch#",
      "data": {
        "@container": "@list"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": [
      {
        "title": "Patch for D-Link DIR-619L Buffer Overflow Vulnerability",
        "trust": 0.6,
        "url": "https://www.cnvd.org.cn/patchInfo/show/714741"
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2025-17401"
      }
    ]
  },
  "problemtype_data": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/problemtype_data#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": [
      {
        "problemtype": "CWE-787",
        "trust": 1.0
      },
      {
        "problemtype": "Out-of-bounds writing (CWE-787) [NVD evaluation ]",
        "trust": 0.8
      }
    ],
    "sources": [
      {
        "db": "JVNDB",
        "id": "JVNDB-2023-013276"
      },
      {
        "db": "NVD",
        "id": "CVE-2023-43863"
      }
    ]
  },
  "references": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/references#",
      "data": {
        "@container": "@list"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": [
      {
        "trust": 1.8,
        "url": "https://github.com/ytrick/vuln/blob/main/dir-619l%20buffer%20overflow_1.md"
      },
      {
        "trust": 1.8,
        "url": "https://www.dlink.com/en/security-bulletin/"
      },
      {
        "trust": 0.8,
        "url": "https://nvd.nist.gov/vuln/detail/cve-2023-43863"
      },
      {
        "trust": 0.6,
        "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2023-43863"
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2025-17401"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2023-013276"
      },
      {
        "db": "NVD",
        "id": "CVE-2023-43863"
      }
    ]
  },
  "sources": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/sources#",
      "data": {
        "@container": "@list"
      }
    },
    "data": [
      {
        "db": "CNVD",
        "id": "CNVD-2025-17401"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2023-013276"
      },
      {
        "db": "NVD",
        "id": "CVE-2023-43863"
      }
    ]
  },
  "sources_release_date": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/sources_release_date#",
      "data": {
        "@container": "@list"
      }
    },
    "data": [
      {
        "date": "2025-08-01T00:00:00",
        "db": "CNVD",
        "id": "CNVD-2025-17401"
      },
      {
        "date": "2023-12-20T00:00:00",
        "db": "JVNDB",
        "id": "JVNDB-2023-013276"
      },
      {
        "date": "2023-09-28T14:15:22.207000",
        "db": "NVD",
        "id": "CVE-2023-43863"
      }
    ]
  },
  "sources_update_date": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/sources_update_date#",
      "data": {
        "@container": "@list"
      }
    },
    "data": [
      {
        "date": "2025-08-01T00:00:00",
        "db": "CNVD",
        "id": "CNVD-2025-17401"
      },
      {
        "date": "2023-12-20T04:45:00",
        "db": "JVNDB",
        "id": "JVNDB-2023-013276"
      },
      {
        "date": "2023-09-29T04:32:32.697000",
        "db": "NVD",
        "id": "CVE-2023-43863"
      }
    ]
  },
  "title": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/title#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": "D-Link\u00a0Systems,\u00a0Inc.\u00a0 of \u00a0DIR-619L\u00a0 Out-of-bounds write vulnerability in firmware",
    "sources": [
      {
        "db": "JVNDB",
        "id": "JVNDB-2023-013276"
      }
    ],
    "trust": 0.8
  }
}

CVE-2023-43863 (GCVE-0-2023-43863)

Vulnerability from cvelistv5 – Published: 2023-09-28 00:00 – Updated: 2024-09-23 19:23

Summary

D-Link DIR-619L B1 2.02 is vulnerable to Buffer Overflow via formSetWanDhcpplus function.

Severity

No CVSS data available.

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-23 19:23 UTC

CWE

Assigner

mitre mitre root Scorecard

References

2 references

URL	Tags
https://www.dlink.com/en/security-bulletin/
https://github.com/YTrick/vuln/blob/main/DIR-619L…

Impacted products

1 product

Vendor	Product	Version
d-link	dir-619l	Affected: 2.02 cpe:2.3:h:d-link:dir-619l:b1:::::::*

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T19:52:11.553Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.dlink.com/en/security-bulletin/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/YTrick/vuln/blob/main/DIR-619L%20Buffer%20Overflow_1.md"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:h:d-link:dir-619l:b1:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "dir-619l",
            "vendor": "d-link",
            "versions": [
              {
                "status": "affected",
                "version": "2.02"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-43863",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-23T19:23:32.944480Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-23T19:23:38.256Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "D-Link DIR-619L B1 2.02 is vulnerable to Buffer Overflow via formSetWanDhcpplus function."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-09-28T13:06:02.115Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://www.dlink.com/en/security-bulletin/"
        },
        {
          "url": "https://github.com/YTrick/vuln/blob/main/DIR-619L%20Buffer%20Overflow_1.md"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2023-43863",
    "datePublished": "2023-09-28T00:00:00.000Z",
    "dateReserved": "2023-09-25T00:00:00.000Z",
    "dateUpdated": "2024-09-23T19:23:38.256Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

VAR-202309-2863

CVE-2023-43863 (GCVE-0-2023-43863)

Tags

Sightings

Nomenclature

Related by attack behaviour