Vulnerability-Lookup

CNVD-2021-53335

Vulnerability from cnvd - Published: 2021-07-22

Title

D-LINK DIR-3040信任管理问题漏洞（CNVD-2021-53335）

Description

D-LINK DIR-3040是中国台湾友讯（D-Link）公司的一个路由器。提供连接网络的功能。 D-LINK DIR-3040中存在信任管理问题漏洞，该漏洞源于产品的 Zebra IP Routing Manager 功能。D-LINK DIR-3040 1.13B03的Zebra IP Routing Manager功能中缺乏有效的信任管理机制，攻击者可通过特殊的请求导致目标拒绝服务。

Severity

高

Patch Name

D-LINK DIR-3040信任管理问题漏洞（CNVD-2021-53335）的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，详情请关注厂商主页： https://www.dlink.com

Reference

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1283

Impacted products

Name
DLink D-LINK DIR-3040 1.13B03

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-21818"
    }
  },
  "description": "D-LINK DIR-3040\u662f\u4e2d\u56fd\u53f0\u6e7e\u53cb\u8baf\uff08D-Link\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u8def\u7531\u5668\u3002\u63d0\u4f9b\u8fde\u63a5\u7f51\u7edc\u7684\u529f\u80fd\u3002\n\nD-LINK DIR-3040\u4e2d\u5b58\u5728\u4fe1\u4efb\u7ba1\u7406\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4ea7\u54c1\u7684 Zebra IP Routing Manager \u529f\u80fd\u3002D-LINK DIR-3040 1.13B03\u7684Zebra IP Routing Manager\u529f\u80fd\u4e2d\u7f3a\u4e4f\u6709\u6548\u7684\u4fe1\u4efb\u7ba1\u7406\u673a\u5236\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u6b8a\u7684\u8bf7\u6c42\u5bfc\u81f4\u76ee\u6807\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://www.dlink.com",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-53335",
  "openTime": "2021-07-22",
  "patchDescription": "D-LINK DIR-3040\u662f\u4e2d\u56fd\u53f0\u6e7e\u53cb\u8baf\uff08D-Link\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u8def\u7531\u5668\u3002\u63d0\u4f9b\u8fde\u63a5\u7f51\u7edc\u7684\u529f\u80fd\u3002\r\n\r\nD-LINK DIR-3040\u4e2d\u5b58\u5728\u4fe1\u4efb\u7ba1\u7406\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4ea7\u54c1\u7684 Zebra IP Routing Manager \u529f\u80fd\u3002D-LINK DIR-3040 1.13B03\u7684Zebra IP Routing Manager\u529f\u80fd\u4e2d\u7f3a\u4e4f\u6709\u6548\u7684\u4fe1\u4efb\u7ba1\u7406\u673a\u5236\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u6b8a\u7684\u8bf7\u6c42\u5bfc\u81f4\u76ee\u6807\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "D-LINK DIR-3040\u4fe1\u4efb\u7ba1\u7406\u95ee\u9898\u6f0f\u6d1e\uff08CNVD-2021-53335\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "DLink D-LINK DIR-3040 1.13B03"
  },
  "referenceLink": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1283",
  "serverity": "\u9ad8",
  "submitTime": "2021-07-20",
  "title": "D-LINK DIR-3040\u4fe1\u4efb\u7ba1\u7406\u95ee\u9898\u6f0f\u6d1e\uff08CNVD-2021-53335\uff09"
}

CVE-2021-21818 (GCVE-0-2021-21818)

Vulnerability from cvelistv5 – Published: 2021-07-16 10:24 – Updated: 2024-08-03 18:23

Summary

A hard-coded password vulnerability exists in the Zebra IP Routing Manager functionality of D-LINK DIR-3040 1.13B03. A specially crafted network request can lead to a denial of service. An attacker can send a sequence of requests to trigger this vulnerability.

Severity

7.5 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-259 - Use of Hard-coded Password

Assigner

talos mitre root

References

1 reference

URL	Tags
https://talosintelligence.com/vulnerability_repor…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	D-Link	Affected: D-LINK DIR-3040 1.13B03

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:23:29.485Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1283"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "D-Link",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "D-LINK DIR-3040 1.13B03"
            }
          ]
        }
      ],
      "descriptions": [
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          "lang": "en",
          "value": "A hard-coded password vulnerability exists in the Zebra IP Routing Manager functionality of D-LINK DIR-3040 1.13B03. A specially crafted network request can lead to a denial of service. An attacker can send a sequence of requests to trigger this vulnerability."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "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"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
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              "cweId": "CWE-259",
              "description": "CWE-259: Use of Hard-coded Password",
              "lang": "en",
              "type": "CWE"
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          ]
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      ],
      "providerMetadata": {
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        "orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
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      },
      "references": [
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          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1283"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "talos-cna@cisco.com",
          "ID": "CVE-2021-21818",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "D-Link",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "D-LINK DIR-3040 1.13B03"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
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        },
        "data_format": "MITRE",
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        },
        "impact": {
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            "baseSeverity": "High",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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        "problemtype": {
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        },
        "references": {
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              "refsource": "MISC",
              "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1283"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
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    "datePublished": "2021-07-16T10:24:20.000Z",
    "dateReserved": "2021-01-04T00:00:00.000Z",
    "dateUpdated": "2024-08-03T18:23:29.485Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

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.

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.