Vulnerability-Lookup

CNVD-2022-54655

Vulnerability from cnvd - Published: 2022-08-02

Title

TotoLink EX300_v2和A720R资源管理错误漏洞

Description

TotoLink EX300是中国TotoLink公司的一款 300 Mbps 无线 N 范围扩展器。TotoLink A720R是中国TotoLink公司一款千兆双频无线wifi放大器。 TotoLink EX300_v2和A720R存在资源管理错误漏洞，攻击者可利用该漏洞耗尽存储空间，导致 DoS 条件。

Severity

低

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： http://www.totolink.cn/

Reference

https://github.com/chibataiki/iot-vuls/blob/main/totolink/dos.md

Impacted products

Name
['TOTOLINK A720R ver V4.1.5cu.470_B20200911', 'TOTOLINK EX300_v2 V4.0.3c.140_B20210429']

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JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-43662",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-43662"
    }
  },
  "description": "TotoLink EX300\u662f\u4e2d\u56fdTotoLink\u516c\u53f8\u7684\u4e00\u6b3e 300 Mbps \u65e0\u7ebf N \u8303\u56f4\u6269\u5c55\u5668\u3002TotoLink A720R\u662f\u4e2d\u56fdTotoLink\u516c\u53f8\u4e00\u6b3e\u5343\u5146\u53cc\u9891\u65e0\u7ebfwifi\u653e\u5927\u5668\u3002\n\nTotoLink EX300_v2\u548cA720R\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8017\u5c3d\u5b58\u50a8\u7a7a\u95f4\uff0c\u5bfc\u81f4 DoS \u6761\u4ef6\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttp://www.totolink.cn/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-54655",
  "openTime": "2022-08-02",
  "products": {
    "product": [
      "TOTOLINK A720R ver V4.1.5cu.470_B20200911",
      "TOTOLINK EX300_v2 V4.0.3c.140_B20210429"
    ]
  },
  "referenceLink": "https://github.com/chibataiki/iot-vuls/blob/main/totolink/dos.md",
  "serverity": "\u4f4e",
  "submitTime": "2022-04-01",
  "title": "TotoLink EX300_v2\u548cA720R\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2021-43662 (GCVE-0-2021-43662)

Vulnerability from cvelistv5 – Published: 2022-03-30 23:26 – Updated: 2024-08-04 04:03

Summary

totolink EX300_v2, ver V4.0.3c.140_B20210429 and A720R ,ver V4.1.5cu.470_B20200911 have an issue which causes uncontrolled resource consumption.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2310 records in the last 180 days details

References

1 reference

URL	Tags
https://github.com/chibataiki/iot-vuls/blob/main/…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T04:03:08.137Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/chibataiki/iot-vuls/blob/main/totolink/dos.md"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "product": "n/a",
          "vendor": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "totolink EX300_v2, ver V4.0.3c.140_B20210429 and A720R ,ver V4.1.5cu.470_B20200911 have an issue which causes uncontrolled resource consumption."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-03-30T23:26:03.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/chibataiki/iot-vuls/blob/main/totolink/dos.md"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-43662",
          "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": "totolink EX300_v2, ver V4.0.3c.140_B20210429 and A720R ,ver V4.1.5cu.470_B20200911 have an issue which causes uncontrolled resource consumption."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/chibataiki/iot-vuls/blob/main/totolink/dos.md",
              "refsource": "MISC",
              "url": "https://github.com/chibataiki/iot-vuls/blob/main/totolink/dos.md"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-43662",
    "datePublished": "2022-03-30T23:26:03.000Z",
    "dateReserved": "2021-11-15T00:00:00.000Z",
    "dateUpdated": "2024-08-04T04:03:08.137Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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Confirmed: The vulnerability has been validated from an analyst's perspective.
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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.

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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.
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CNVD-2022-54655

CVE-2021-43662 (GCVE-0-2021-43662)

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