Vulnerability-Lookup

CNVD-2026-00120

Vulnerability from cnvd - Published: 2026-01-04

Title

TOTOLINK N200RE setLanguageCfg函数堆栈缓冲区溢出漏洞

Description

TOTOLINK N200RE是一款面向小型办公室或家庭（SOHO）环境的无线宽带路由器。 TOTOLINK N200RE存在堆栈缓冲区溢出漏洞，该漏洞源于/cgi-bin/cstecgi.cgi的setLanguageCfg函数的lang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 setLanguageCfg函数堆栈缓冲区溢出漏洞的补丁

Patch Description

TOTOLINK N200RE是一款面向小型办公室或家庭（SOHO）环境的无线宽带路由器。 TOTOLINK N200RE存在堆栈缓冲区溢出漏洞，该漏洞源于/cgi-bin/cstecgi.cgi的setLanguageCfg函数的lang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-2024-1003

Impacted products

Name
TOTOLINK N200RE 9.3.5u.6139_B20201216

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2024-1003"
    }
  },
  "description": "TOTOLINK N200RE\u662f\u4e00\u6b3e\u9762\u5411\u5c0f\u578b\u529e\u516c\u5ba4\u6216\u5bb6\u5ead\uff08SOHO\uff09\u73af\u5883\u7684\u65e0\u7ebf\u5bbd\u5e26\u8def\u7531\u5668\u3002\n\nTOTOLINK N200RE\u5b58\u5728\u5806\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e/cgi-bin/cstecgi.cgi\u7684setLanguageCfg\u51fd\u6570\u7684lang\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:\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-2026-00120",
  "openTime": "2026-01-04",
  "patchDescription": "TOTOLINK N200RE\u662f\u4e00\u6b3e\u9762\u5411\u5c0f\u578b\u529e\u516c\u5ba4\u6216\u5bb6\u5ead\uff08SOHO\uff09\u73af\u5883\u7684\u65e0\u7ebf\u5bbd\u5e26\u8def\u7531\u5668\u3002\r\n\r\nTOTOLINK N200RE\u5b58\u5728\u5806\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e/cgi-bin/cstecgi.cgi\u7684setLanguageCfg\u51fd\u6570\u7684lang\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 setLanguageCfg\u51fd\u6570\u5806\u6808\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-2024-1003",
  "serverity": "\u9ad8",
  "submitTime": "2024-01-30",
  "title": "TOTOLINK N200RE setLanguageCfg\u51fd\u6570\u5806\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2024-1003 (GCVE-0-2024-1003)

Vulnerability from cvelistv5 – Published: 2024-01-29 14:31 – Updated: 2025-06-17 21:29

Title

Totolink N200RE cstecgi.cgi setLanguageCfg stack-based overflow

Summary

A vulnerability, which was classified as critical, has been found in Totolink N200RE 9.3.5u.6139_B20201216. Affected by this issue is the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument lang leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-252272. 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

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-01-31 17:45 UTC

CWE

CWE-121 - Stack-based Buffer Overflow

Assigner

VulDB mitre root

References

3 references

URL	Tags
https://vuldb.com/?id.252272	vdb-entrytechnical-description
https://vuldb.com/?ctiid.252272	signaturepermissions-required
https://jylsec.notion.site/TOTOLINK-N200RE-has-st…	exploit

Impacted products

1 product

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": "2024-08-01T18:26:30.368Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "https://vuldb.com/?id.252272"
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            "url": "https://vuldb.com/?ctiid.252272"
          },
          {
            "tags": [
              "exploit",
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            ],
            "url": "https://jylsec.notion.site/TOTOLINK-N200RE-has-stack-buffer-overflow-vulnerability-in-setLanguageCfg-72357294db1e4f8096b29d3f2592d1fc?pvs=4"
          }
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        "title": "CVE Program Container"
      },
      {
        "metrics": [
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            "other": {
              "content": {
                "id": "CVE-2024-1003",
                "options": [
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                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
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                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-01-31T17:45:39.389033Z",
                "version": "2.0.3"
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        ],
        "providerMetadata": {
          "dateUpdated": "2025-06-17T21:29:17.310Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "N200RE",
          "vendor": "Totolink",
          "versions": [
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              "version": "9.3.5u.6139_B20201216"
            }
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      ],
      "credits": [
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        }
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        },
        {
          "lang": "de",
          "value": "Eine kritische Schwachstelle wurde in Totolink N200RE 9.3.5u.6139_B20201216 entdeckt. Dies betrifft die Funktion setLanguageCfg der Datei /cgi-bin/cstecgi.cgi. Durch das Beeinflussen des Arguments lang 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."
        }
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      "metrics": [
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            "baseSeverity": "HIGH",
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    "state": "PUBLISHED"
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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.