cnvd - cnvd-2025-12019

CNVD-2025-12019

Vulnerability from cnvd - Published: 2025-06-10

Title

TOTOLINK A3700R访问控制错误漏洞（CNVD-2025-12019）

Description

TOTOLINK A3700R是一款无线路由器，提供家庭和小型办公室的网络连接功能。 TOTOLINK A3700R存在访问控制错误漏洞，该漏洞源于/cgi-bin/cstecgi.cgi文件setDdnsCfg函数访问控制不当。目前没有详细的漏洞细节提供。

Severity

中

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://m.totolink.net/

Reference

https://vuldb.com/?id.304844

Impacted products

Name
TOTOLINK A3700R 9.1.2u.5822_B20200513

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-3666",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-3666"
    }
  },
  "description": "TOTOLINK A3700R\u662f\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\uff0c\u63d0\u4f9b\u5bb6\u5ead\u548c\u5c0f\u578b\u529e\u516c\u5ba4\u7684\u7f51\u7edc\u8fde\u63a5\u529f\u80fd\u3002\n\nTOTOLINK A3700R\u5b58\u5728\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e/cgi-bin/cstecgi.cgi\u6587\u4ef6setDdnsCfg\u51fd\u6570\u8bbf\u95ee\u63a7\u5236\u4e0d\u5f53\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\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://m.totolink.net/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-12019",
  "openTime": "2025-06-10",
  "products": {
    "product": "TOTOLINK A3700R 9.1.2u.5822_B20200513"
  },
  "referenceLink": "https://vuldb.com/?id.304844",
  "serverity": "\u4e2d",
  "submitTime": "2025-04-22",
  "title": "TOTOLINK A3700R\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2025-12019\uff09"
}

CVE-2025-3666 (GCVE-0-2025-3666)

Vulnerability from cvelistv5 – Published: 2025-04-16 03:31 – Updated: 2025-04-16 13:27

Summary

A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513 and classified as critical. Affected by this issue is the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi. The manipulation leads to improper access controls. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Severity ?

6.9 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

5.3 (Medium)


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

CWE

CWE-284 - Improper Access Controls
CWE-266 - Incorrect Privilege Assignment

Assigner

VulDB

References

URL

Tags

	https://vuldb.com/?id.304844	vdb-entrytechnical-description
	https://vuldb.com/?ctiid.304844	signaturepermissions-required
	https://vuldb.com/?submit.551298	third-party-advisory
	https://lavender-bicycle-a5a.notion.site/TOTOLINK…	exploit
	https://www.totolink.net/	product

Impacted products

	Vendor	Product	Version
	TOTOLINK	A3700R	Affected: 9.1.2u.5822_B20200513

Credits

yhryhryhr_mie (VulDB User)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-3666",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-16T13:27:25.505060Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-16T13:27:42.335Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "A3700R",
          "vendor": "TOTOLINK",
          "versions": [
            {
              "status": "affected",
              "version": "9.1.2u.5822_B20200513"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "yhryhryhr_mie (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513 and classified as critical. Affected by this issue is the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi. The manipulation leads to improper access controls. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
        },
        {
          "lang": "de",
          "value": "Eine Schwachstelle wurde in TOTOLINK A3700R 9.1.2u.5822_B20200513 gefunden. Sie wurde als kritisch eingestuft. Hierbei geht es um die Funktion setDdnsCfg der Datei /cgi-bin/cstecgi.cgi. Dank Manipulation mit unbekannten Daten kann eine improper access controls-Schwachstelle ausgenutzt werden. Umgesetzt werden kann der Angriff \u00fcber das Netzwerk. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 5,
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
            "version": "2.0"
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      "problemTypes": [
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              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
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              "description": "Incorrect Privilege Assignment",
              "lang": "en",
              "type": "CWE"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2025-04-16T03:31:07.271Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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      },
      "references": [
        {
          "name": "VDB-304844 | TOTOLINK A3700R cstecgi.cgi setDdnsCfg access control",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.304844"
        },
        {
          "name": "VDB-304844 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.304844"
        },
        {
          "name": "Submit #551298 | TOTOLINK A3700R V9.1.2u.5822_B20200513 Improper Access Controls",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.551298"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setDdnsCfg-1cb53a41781f8001b9c0f345a120e2e7?pvs=4"
        },
        {
          "tags": [
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          "url": "https://www.totolink.net/"
        }
      ],
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          "time": "2025-04-15T00:00:00.000Z",
          "value": "Advisory disclosed"
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          "lang": "en",
          "time": "2025-04-15T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2025-04-15T22:52:06.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "TOTOLINK A3700R cstecgi.cgi setDdnsCfg access control"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2025-3666",
    "datePublished": "2025-04-16T03:31:07.271Z",
    "dateReserved": "2025-04-15T20:46:48.219Z",
    "dateUpdated": "2025-04-16T13:27:42.335Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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-2025-12019

CVE-2025-3666 (GCVE-0-2025-3666)

Tags

Sightings

Nomenclature