cnvd - cnvd-2025-21039

CNVD-2025-21039

Vulnerability from cnvd - Published: 2025-09-08

Title

TOTOLINK N200RE /cgi-bin/cstecgi.cgi缓冲区溢出漏洞

Description

TOTOLINK N200RE是一款面向SOHO市场的无线路由器。 TOTOLINK N200RE存在缓冲区溢出漏洞，该漏洞源于/cgi-bin/cstecgi.cgi的setDiagnosisCfg函数的ip参数存在基于堆栈的缓冲区溢出。目前没有详细的漏洞细节提供。

Severity

高

Patch Name

TOTOLINK N200RE /cgi-bin/cstecgi.cgi缓冲区溢出漏洞的补丁

Patch Description

TOTOLINK N200RE是一款面向SOHO市场的无线路由器。 TOTOLINK N200RE存在缓冲区溢出漏洞，该漏洞源于/cgi-bin/cstecgi.cgi的setDiagnosisCfg函数的ip参数存在基于堆栈的缓冲区溢出。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程序修复该安全问题，详情见厂商官网： https://www.totolink.net/home/menu/detail/menu_listtpl/download/id/204/ids/36.html

Reference

https://nvd.nist.gov/vuln/detail/CVE-2024-0998

Impacted products

Name
TOTOLINK N200RE 9.3.5u.6139_B20201216

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2024-0998"
    }
  },
  "description": "TOTOLINK N200RE\u662f\u4e00\u6b3e\u9762\u5411SOHO\u5e02\u573a\u7684\u65e0\u7ebf\u8def\u7531\u5668\u3002\n\nTOTOLINK N200RE\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e/cgi-bin/cstecgi.cgi\u7684setDiagnosisCfg\u51fd\u6570\u7684ip\u53c2\u6570\u5b58\u5728\u57fa\u4e8e\u5806\u6808\u7684\u7f13\u51b2\u533a\u6ea2\u51fa\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\u7a0b\u5e8f\u4fee\u590d\u8be5\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u89c1\u5382\u5546\u5b98\u7f51\uff1a\r\nhttps://www.totolink.net/home/menu/detail/menu_listtpl/download/id/204/ids/36.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-21039",
  "openTime": "2025-09-08",
  "patchDescription": "TOTOLINK N200RE\u662f\u4e00\u6b3e\u9762\u5411SOHO\u5e02\u573a\u7684\u65e0\u7ebf\u8def\u7531\u5668\u3002\r\n\r\nTOTOLINK N200RE\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e/cgi-bin/cstecgi.cgi\u7684setDiagnosisCfg\u51fd\u6570\u7684ip\u53c2\u6570\u5b58\u5728\u57fa\u4e8e\u5806\u6808\u7684\u7f13\u51b2\u533a\u6ea2\u51fa\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": "TOTOLINK N200RE /cgi-bin/cstecgi.cgi\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "TOTOLINK N200RE 9.3.5u.6139_B20201216"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2024-0998",
  "serverity": "\u9ad8",
  "submitTime": "2024-01-30",
  "title": "TOTOLINK N200RE /cgi-bin/cstecgi.cgi\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2024-0998 (GCVE-0-2024-0998)

Vulnerability from cvelistv5 – Published: 2024-01-29 13:00 – Updated: 2025-05-29 15:10

Title

Totolink N200RE cstecgi.cgi setDiagnosisCfg stack-based overflow

Summary

A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216. It has been classified as critical. This affects the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ip leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-252267. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Severity ?

7.2 (High)


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

7.2 (High)


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

CWE

CWE-121 - Stack-based Buffer Overflow

Assigner

VulDB

References

URL

Tags

	https://vuldb.com/?id.252267	vdb-entrytechnical-description
	https://vuldb.com/?ctiid.252267	signaturepermissions-required
	https://jylsec.notion.site/TOTOLINK-N200RE-has-st…	exploit

Impacted products

	Vendor	Product	Version
	Totolink	N200RE	Affected: 9.3.5u.6139_B20201216

Credits

jylsec (VulDB User)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-01T18:26:30.173Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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        "references": [
          {
            "tags": [
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              "technical-description",
              "x_transferred"
            ],
            "url": "https://vuldb.com/?id.252267"
          },
          {
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              "signature",
              "permissions-required",
              "x_transferred"
            ],
            "url": "https://vuldb.com/?ctiid.252267"
          },
          {
            "tags": [
              "exploit",
              "x_transferred"
            ],
            "url": "https://jylsec.notion.site/TOTOLINK-N200RE-has-stack-buffer-overflow-vulnerability-in-setDiagnosisCfg-b2d36451543e4c6da063646721a24604?pvs=4"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-0998",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-08T18:39:05.454098Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-05-29T15:10:08.096Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "N200RE",
          "vendor": "Totolink",
          "versions": [
            {
              "status": "affected",
              "version": "9.3.5u.6139_B20201216"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "jylsec (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216. It has been classified as critical. This affects the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ip leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-252267. NOTE: The vendor was contacted early about this disclosure but did not respond in any way."
        },
        {
          "lang": "de",
          "value": "Es wurde eine Schwachstelle in Totolink N200RE 9.3.5u.6139_B20201216 ausgemacht. Sie wurde als kritisch eingestuft. Es geht dabei um die Funktion setDiagnosisCfg der Datei /cgi-bin/cstecgi.cgi. Durch Manipulation des Arguments ip mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann \u00fcber das Netzwerk passieren. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
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            "vectorString": "AV:N/AC:L/Au:M/C:C/I:C/A:C",
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      "problemTypes": [
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      ],
      "providerMetadata": {
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        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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      "references": [
        {
          "tags": [
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          "url": "https://vuldb.com/?id.252267"
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            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.252267"
        },
        {
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          ],
          "url": "https://jylsec.notion.site/TOTOLINK-N200RE-has-stack-buffer-overflow-vulnerability-in-setDiagnosisCfg-b2d36451543e4c6da063646721a24604?pvs=4"
        }
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          "time": "2024-01-29T00:00:00.000Z",
          "value": "Advisory disclosed"
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          "lang": "en",
          "time": "2024-01-29T01:00:00.000Z",
          "value": "VulDB entry created"
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        {
          "lang": "en",
          "time": "2024-01-29T08:02:33.000Z",
          "value": "VulDB entry last update"
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      ],
      "title": "Totolink N200RE cstecgi.cgi setDiagnosisCfg stack-based overflow"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
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    "dateReserved": "2024-01-29T06:56:59.699Z",
    "dateUpdated": "2025-05-29T15:10:08.096Z",
    "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-2025-21039

CVE-2024-0998 (GCVE-0-2024-0998)

Tags

Sightings

Nomenclature