Vulnerability-Lookup

CNVD-2022-02661

Vulnerability from cnvd - Published: 2022-01-12

Title

Netgear RAX43存在未明漏洞（CNVD-2022-02661）

Description

Netgear RAX43是美国网件（Netgear）公司的一款无线路由器。 Netgear RAX43存在安全漏洞，该漏洞源于对 UART 接口没有足够的保护。对设备进行物理访问的恶意行为者能够通过串行连接连接到 UART 端口，使用默认凭据登录，并以root用户身份执行命令。目前没有详细的漏洞细节提供。

Severity

高

Patch Name

Netgear RAX43存在未明漏洞（CNVD-2022-02661）的补丁

Patch Description

Netgear RAX43是美国网件（Netgear）公司的一款无线路由器。 Netgear RAX43存在安全漏洞，该漏洞源于对 UART 接口没有足够的保护。对设备进行物理访问的恶意行为者能够通过串行连接连接到 UART 端口，使用默认凭据登录，并以root用户身份执行命令。目前没有详细的漏洞细节提供。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://www.tenable.com/security/research/tra-2021-55

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-20168

Impacted products

Name
NETGEAR RAX43 1.0.3.96

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-20168"
    }
  },
  "description": "Netgear RAX43\u662f\u7f8e\u56fd\u7f51\u4ef6\uff08Netgear\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002\n\nNetgear RAX43\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5bf9 UART \u63a5\u53e3\u6ca1\u6709\u8db3\u591f\u7684\u4fdd\u62a4\u3002 \u5bf9\u8bbe\u5907\u8fdb\u884c\u7269\u7406\u8bbf\u95ee\u7684\u6076\u610f\u884c\u4e3a\u8005\u80fd\u591f\u901a\u8fc7\u4e32\u884c\u8fde\u63a5\u8fde\u63a5\u5230 UART \u7aef\u53e3\uff0c\u4f7f\u7528\u9ed8\u8ba4\u51ed\u636e\u767b\u5f55\uff0c\u5e76\u4ee5root\u7528\u6237\u8eab\u4efd\u6267\u884c\u547d\u4ee4\u3002 \u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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://www.tenable.com/security/research/tra-2021-55",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-02661",
  "openTime": "2022-01-12",
  "patchDescription": "Netgear RAX43\u662f\u7f8e\u56fd\u7f51\u4ef6\uff08Netgear\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002\r\n\r\nNetgear RAX43\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5bf9 UART \u63a5\u53e3\u6ca1\u6709\u8db3\u591f\u7684\u4fdd\u62a4\u3002 \u5bf9\u8bbe\u5907\u8fdb\u884c\u7269\u7406\u8bbf\u95ee\u7684\u6076\u610f\u884c\u4e3a\u8005\u80fd\u591f\u901a\u8fc7\u4e32\u884c\u8fde\u63a5\u8fde\u63a5\u5230 UART \u7aef\u53e3\uff0c\u4f7f\u7528\u9ed8\u8ba4\u51ed\u636e\u767b\u5f55\uff0c\u5e76\u4ee5root\u7528\u6237\u8eab\u4efd\u6267\u884c\u547d\u4ee4\u3002 \u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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": "Netgear RAX43\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2022-02661\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "NETGEAR RAX43 1.0.3.96"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-20168",
  "serverity": "\u9ad8",
  "submitTime": "2022-01-03",
  "title": "Netgear RAX43\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2022-02661\uff09"
}

CVE-2021-20168 (GCVE-0-2021-20168)

Vulnerability from cvelistv5 – Published: 2021-12-30 21:31 – Updated: 2024-08-03 17:30

Summary

Netgear RAX43 version 1.0.3.96 does not have sufficient protections to the UART interface. A malicious actor with physical access to the device is able to connect to the UART port via a serial connection, login with default credentials, and execute commands as the root user. These default credentials are admin:admin.

Severity

No CVSS data available.

CWE

Improper Access Controls

Assigner

tenable mitre root

References

1 reference

URL	Tags
https://www.tenable.com/security/research/tra-2021-55	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	Netgear RAX43	Affected: 1.0.3.96

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:30:07.570Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.tenable.com/security/research/tra-2021-55"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Netgear RAX43",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "1.0.3.96"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Netgear RAX43 version 1.0.3.96 does not have sufficient protections to the UART interface. A malicious actor with physical access to the device is able to connect to the UART port via a serial connection, login with default credentials, and execute commands as the root user. These default credentials are admin:admin."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Improper Access Controls",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-12-30T21:31:17.000Z",
        "orgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be",
        "shortName": "tenable"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.tenable.com/security/research/tra-2021-55"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "vulnreport@tenable.com",
          "ID": "CVE-2021-20168",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Netgear RAX43",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "1.0.3.96"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
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          }
        },
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        "data_type": "CVE",
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        "description": {
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              "value": "Netgear RAX43 version 1.0.3.96 does not have sufficient protections to the UART interface. A malicious actor with physical access to the device is able to connect to the UART port via a serial connection, login with default credentials, and execute commands as the root user. These default credentials are admin:admin."
            }
          ]
        },
        "problemtype": {
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                  "value": "Improper Access Controls"
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        "references": {
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            {
              "name": "https://www.tenable.com/security/research/tra-2021-55",
              "refsource": "MISC",
              "url": "https://www.tenable.com/security/research/tra-2021-55"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be",
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    "datePublished": "2021-12-30T21:31:17.000Z",
    "dateReserved": "2020-12-17T00:00:00.000Z",
    "dateUpdated": "2024-08-03T17:30:07.570Z",
    "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.