Vulnerability-Lookup

CNVD-2020-53782

Vulnerability from cnvd - Published: 2020-09-24

Title

Tenda AC18远程代码执行漏洞

Description

Ac18是腾达（Tenda）公司推出的一款无线路由器。 Tenda AC18存在远程代码执行漏洞。该漏洞源于在管理员UI界面设置为“ radius”时/usr/lib/lua/ngx_authserver/ngx_wdas.lua文件中logincheck()函数的认证处理不正确。攻击者可利用该漏洞实现远程代码执行。

Severity

中

Patch Name

Tenda AC18远程代码执行漏洞的补丁

Patch Description

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://www.tendacn.com/en/product/AC18.html

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-24987

Impacted products

Name
['Tenda Ac18 <=V15.03.05.05_EN', 'Tenda Ac18 <=V15.03.05.19(6318) CN']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-24987",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-24987"
    }
  },
  "description": "Ac18\u662f\u817e\u8fbe\uff08Tenda\uff09\u516c\u53f8\u63a8\u51fa\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002\n\nTenda AC18\u5b58\u5728\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u7ba1\u7406\u5458UI\u754c\u9762\u8bbe\u7f6e\u4e3a\u201c radius\u201d\u65f6/usr/lib/lua/ngx_authserver/ngx_wdas.lua\u6587\u4ef6\u4e2dlogincheck()\u51fd\u6570\u7684\u8ba4\u8bc1\u5904\u7406\u4e0d\u6b63\u786e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5b9e\u73b0\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\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\nhttps://www.tendacn.com/en/product/AC18.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-53782",
  "openTime": "2020-09-24",
  "patchDescription": "Ac18\u662f\u817e\u8fbe\uff08Tenda\uff09\u516c\u53f8\u63a8\u51fa\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002\r\n\r\nTenda AC18\u5b58\u5728\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u7ba1\u7406\u5458UI\u754c\u9762\u8bbe\u7f6e\u4e3a\u201c radius\u201d\u65f6/usr/lib/lua/ngx_authserver/ngx_wdas.lua\u6587\u4ef6\u4e2dlogincheck()\u51fd\u6570\u7684\u8ba4\u8bc1\u5904\u7406\u4e0d\u6b63\u786e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5b9e\u73b0\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\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": "Tenda AC18\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Tenda Ac18 \u003c=V15.03.05.05_EN",
      "Tenda Ac18 \u003c=V15.03.05.19(6318) CN"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-24987",
  "serverity": "\u4e2d",
  "submitTime": "2020-09-07",
  "title": "Tenda AC18\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e"
}

CVE-2020-24987 (GCVE-0-2020-24987)

Vulnerability from cvelistv5 – Published: 2020-09-04 19:24 – Updated: 2024-08-04 15:26

Summary

Tenda AC18 Router through V15.03.05.05_EN and through V15.03.05.19(6318) CN devices could cause a remote code execution due to incorrect authentication handling of vulnerable logincheck() function in /usr/lib/lua/ngx_authserver/ngx_wdas.lua file if the administrator UI Interface is set to "radius".

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

3 references

URL	Tags
https://www.tendacn.com/en/product/AC18.html	x_refsource_MISC
https://drive.google.com/file/d/1iqpr0EofOBC6kCq2…	x_refsource_MISC
https://cwe.mitre.org/data/definitions/287.html	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T15:26:09.361Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.tendacn.com/en/product/AC18.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://drive.google.com/file/d/1iqpr0EofOBC6kCq2USTOBPRlJu_naFjQ/view?usp=sharing"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://cwe.mitre.org/data/definitions/287.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Tenda AC18 Router through V15.03.05.05_EN and through V15.03.05.19(6318) CN devices could cause a remote code execution due to incorrect authentication handling of vulnerable logincheck() function in /usr/lib/lua/ngx_authserver/ngx_wdas.lua file if the administrator UI Interface is set to \"radius\"."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-07-10T20:20:05.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.tendacn.com/en/product/AC18.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://drive.google.com/file/d/1iqpr0EofOBC6kCq2USTOBPRlJu_naFjQ/view?usp=sharing"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://cwe.mitre.org/data/definitions/287.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-24987",
          "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": [
            {
              "lang": "eng",
              "value": "Tenda AC18 Router through V15.03.05.05_EN and through V15.03.05.19(6318) CN devices could cause a remote code execution due to incorrect authentication handling of vulnerable logincheck() function in /usr/lib/lua/ngx_authserver/ngx_wdas.lua file if the administrator UI Interface is set to \"radius\"."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.tendacn.com/en/product/AC18.html",
              "refsource": "MISC",
              "url": "https://www.tendacn.com/en/product/AC18.html"
            },
            {
              "name": "https://drive.google.com/file/d/1iqpr0EofOBC6kCq2USTOBPRlJu_naFjQ/view?usp=sharing",
              "refsource": "MISC",
              "url": "https://drive.google.com/file/d/1iqpr0EofOBC6kCq2USTOBPRlJu_naFjQ/view?usp=sharing"
            },
            {
              "name": "https://cwe.mitre.org/data/definitions/287.html",
              "refsource": "MISC",
              "url": "https://cwe.mitre.org/data/definitions/287.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-24987",
    "datePublished": "2020-09-04T19:24:39.000Z",
    "dateReserved": "2020-08-28T00:00:00.000Z",
    "dateUpdated": "2024-08-04T15:26:09.361Z",
    "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

CNVD-2020-53782

CVE-2020-24987 (GCVE-0-2020-24987)

Tags

Sightings

Nomenclature

Related by attack behaviour