Vulnerability-Lookup

CNVD-2025-21027

Vulnerability from cnvd - Published: 2025-09-11

Title

TOTOLINK A860R downloadfile.cgi缓冲区溢出漏洞

Description

TOTOLINK A860R是一款双频无线路由器，最高传输速率达1200Mbps，采用6天线双频并发技术，支持手机APP远程管理，适用于中小型企业及家庭网络环境。 TOTOLINK A860R存在缓冲区溢出漏洞，该漏洞源于downloadfile.cgi中的main函数存在缓冲区溢出。目前没有详细漏洞细节提供。

Severity

高

Formal description

目前厂商尚未发布升级程序修复该安全问题，详情见厂商官网： https://www.totolink.net/

Reference

http://m.totolink.net/portal/article/index/id/117/cid/37.html

Impacted products

Name
TOTOLINK TOTOLINK A860R V4.1.2cu.5182_B20201027

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-37840",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-37840"
    }
  },
  "description": "TOTOLINK A860R\u662f\u4e00\u6b3e\u53cc\u9891\u65e0\u7ebf\u8def\u7531\u5668\uff0c\u6700\u9ad8\u4f20\u8f93\u901f\u7387\u8fbe1200Mbps\uff0c\u91c7\u75286\u5929\u7ebf\u53cc\u9891\u5e76\u53d1\u6280\u672f\uff0c\u652f\u6301\u624b\u673aAPP\u8fdc\u7a0b\u7ba1\u7406\uff0c\u9002\u7528\u4e8e\u4e2d\u5c0f\u578b\u4f01\u4e1a\u53ca\u5bb6\u5ead\u7f51\u7edc\u73af\u5883\u3002\n\nTOTOLINK A860R\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8edownloadfile.cgi\u4e2d\u7684main\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5c1a\u672a\u53d1\u5e03\u5347\u7ea7\u7a0b\u5e8f\u4fee\u590d\u8be5\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u89c1\u5382\u5546\u5b98\u7f51\uff1a\r\nhttps://www.totolink.net/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-21027",
  "openTime": "2025-09-11",
  "products": {
    "product": "TOTOLINK TOTOLINK A860R V4.1.2cu.5182_B20201027"
  },
  "referenceLink": "http://m.totolink.net/portal/article/index/id/117/cid/37.html",
  "serverity": "\u9ad8",
  "submitTime": "2022-09-08",
  "title": "TOTOLINK A860R downloadfile.cgi\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2022-37840 (GCVE-0-2022-37840)

Vulnerability from cvelistv5 – Published: 2022-09-06 16:40 – Updated: 2024-08-03 10:37

Summary

In TOTOLINK A860R V4.1.2cu.5182_B20201027, the main function in downloadfile.cgi has a buffer overflow vulnerability.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

https://github.com/1759134370/iot/blob/main/TOTOL…

x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-03T10:37:41.896Z",
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              "x_transferred"
            ],
            "url": "https://github.com/1759134370/iot/blob/main/TOTOLINK/A860R/3.md"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
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              "status": "affected",
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          "lang": "en",
          "value": "In TOTOLINK A860R V4.1.2cu.5182_B20201027, the main function in downloadfile.cgi has a buffer overflow vulnerability."
        }
      ],
      "problemTypes": [
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            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2022-09-06T16:40:44",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/1759134370/iot/blob/main/TOTOLINK/A860R/3.md"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2022-37840",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
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                "product": {
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                      "product_name": "n/a",
                      "version": {
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                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
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                "vendor_name": "n/a"
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        "data_version": "4.0",
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            }
          ]
        },
        "problemtype": {
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        },
        "references": {
          "reference_data": [
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              "name": "https://github.com/1759134370/iot/blob/main/TOTOLINK/A860R/3.md",
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            }
          ]
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
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    "dateReserved": "2022-08-08T00:00:00",
    "dateUpdated": "2024-08-03T10:37:41.896Z",
    "state": "PUBLISHED"
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Sightings

Author	Source	Type	Date

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.

Action not permitted

CNVD-2025-21027

CVE-2022-37840 (GCVE-0-2022-37840)

Tags

Sightings

Nomenclature