Vulnerability-Lookup

CNVD-2021-50930

Vulnerability from cnvd - Published: 2021-07-15

Title

多款NETGEAR产品拒绝服务漏洞（CNVD-2021-50930）

Description

NETGEAR R7800等都是美国网件（NETGEAR）公司的一款无线路由器。多款NETGEAR产品中存在安全漏洞。攻击者可利用该漏洞导致拒绝服务。

Severity

中

Patch Name

多款NETGEAR产品拒绝服务漏洞的补丁

Patch Description

NETGEAR R7800等都是美国网件（NETGEAR）公司的一款无线路由器。多款NETGEAR产品中存在安全漏洞。攻击者可利用该漏洞导致拒绝服务。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://kb.netgear.com/000055194/Security-Advisory-for-Denial-of-Service-on-Some-Routers-PSV-2017-3170

Reference

https://nvd.nist.gov/vuln/detail/CVE-2018-21165

Impacted products

Name
['NETGEAR R7500 <1.0.0.122', 'NetGear WNDR4300 <1.0.2.98', 'NETGEAR R6100 <1.0.1.22', 'NETGEAR R7800 <1.0.2.42', 'NETGEAR WNDR4300v2 <1.0.0.54', 'NETGEAR WNDR4500v3 <1.0.0.54', 'Netgear WNR2000v5 <1.0.0.64', 'NETGEAR R8900 <1.0.3.10', 'NETGEAR R9000 <1.0.3.10', 'NetGear WNDR3700v4 <1.0.2.96']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-21165"
    }
  },
  "description": "NETGEAR R7800\u7b49\u90fd\u662f\u7f8e\u56fd\u7f51\u4ef6\uff08NETGEAR\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002 \n\n\u591a\u6b3eNETGEAR\u4ea7\u54c1\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://kb.netgear.com/000055194/Security-Advisory-for-Denial-of-Service-on-Some-Routers-PSV-2017-3170",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-50930",
  "openTime": "2021-07-15",
  "patchDescription": "NETGEAR R7800\u7b49\u90fd\u662f\u7f8e\u56fd\u7f51\u4ef6\uff08NETGEAR\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002 \r\n\r\n\u591a\u6b3eNETGEAR\u4ea7\u54c1\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\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": "\u591a\u6b3eNETGEAR\u4ea7\u54c1\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "NETGEAR R7500 \u003c1.0.0.122",
      "NetGear WNDR4300 \u003c1.0.2.98",
      "NETGEAR R6100 \u003c1.0.1.22",
      "NETGEAR R7800 \u003c1.0.2.42",
      "NETGEAR WNDR4300v2 \u003c1.0.0.54",
      "NETGEAR WNDR4500v3 \u003c1.0.0.54",
      "Netgear WNR2000v5 \u003c1.0.0.64",
      "NETGEAR R8900 \u003c1.0.3.10",
      "NETGEAR R9000 \u003c1.0.3.10",
      "NetGear WNDR3700v4 \u003c1.0.2.96"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-21165",
  "serverity": "\u4e2d",
  "submitTime": "2020-04-24",
  "title": "\u591a\u6b3eNETGEAR\u4ea7\u54c1\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-50930\uff09"
}

CVE-2018-21165 (GCVE-0-2018-21165)

Vulnerability from cvelistv5 – Published: 2020-04-23 21:22 – Updated: 2024-08-05 12:26

Summary

Certain NETGEAR devices are affected by denial of service. This affects R6100 before 1.0.1.22, R7500 before 1.0.0.122, R7800 before 1.0.2.42, R8900 before 1.0.3.10, R9000 before 1.0.3.10, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.54, WNDR4500v3 before 1.0.0.54, and WNR2000v5 before 1.0.0.64.

Severity

4.5 (Medium)


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

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://kb.netgear.com/000055194/Security-Advisor…	x_refsource_CONFIRM

Date Public

2018-03-02 00:00

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T12:26:39.024Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://kb.netgear.com/000055194/Security-Advisory-for-Denial-of-Service-on-Some-Routers-PSV-2017-3170"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2018-03-02T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Certain NETGEAR devices are affected by denial of service. This affects R6100 before 1.0.1.22, R7500 before 1.0.0.122, R7800 before 1.0.2.42, R8900 before 1.0.3.10, R9000 before 1.0.3.10, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.54, WNDR4500v3 before 1.0.0.54, and WNR2000v5 before 1.0.0.64."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 4.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AC:L/AV:A/A:H/C:N/I:N/PR:H/S:U/UI:N",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-04-23T21:22:55.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://kb.netgear.com/000055194/Security-Advisory-for-Denial-of-Service-on-Some-Routers-PSV-2017-3170"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2018-21165",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
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              "lang": "eng",
              "value": "Certain NETGEAR devices are affected by denial of service. This affects R6100 before 1.0.1.22, R7500 before 1.0.0.122, R7800 before 1.0.2.42, R8900 before 1.0.3.10, R9000 before 1.0.3.10, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.54, WNDR4500v3 before 1.0.0.54, and WNR2000v5 before 1.0.0.64."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT",
            "availabilityImpact": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AC:L/AV:A/A:H/C:N/I:N/PR:H/S:U/UI:N",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
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              ]
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://kb.netgear.com/000055194/Security-Advisory-for-Denial-of-Service-on-Some-Routers-PSV-2017-3170",
              "refsource": "CONFIRM",
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            }
          ]
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2018-21165",
    "datePublished": "2020-04-23T21:22:55.000Z",
    "dateReserved": "2020-04-20T00:00:00.000Z",
    "dateUpdated": "2024-08-05T12:26:39.024Z",
    "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.

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.

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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

CNVD-2021-50930

CVE-2018-21165 (GCVE-0-2018-21165)

Tags

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Nomenclature

Related by attack behaviour