Vulnerability-Lookup

CNVD-2025-14833

Vulnerability from cnvd - Published: 2025-07-02

Title

TOTOLINK AC1200缓冲区溢出漏洞

Description

TOTOLINK AC1200是中国吉翁电子（TOTOLINK）公司的一款双频Wi-Fi路由器。 TOTOLINK AC1200存在缓冲区溢出漏洞，该漏洞源于/lib/cste_modules/system.so中的cgi函数setNoticeCfg未检查用户输入字符串NoticeUrl的长度，攻击者可利用该漏洞构造恶意HTTP或MQTT请求以造成拒绝服务攻击。

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

https://gist.github.com/Swind1er/f442fcac520a48c05c744c7b72362483

Impacted products

Name
TOTOLINK AC1200 A3100R V4.1.2cu.5247_B20211129

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JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2024-36650",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2024-36650"
    }
  },
  "description": "TOTOLINK AC1200\u662f\u4e2d\u56fd\u5409\u7fc1\u7535\u5b50\uff08TOTOLINK\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u53cc\u9891Wi-Fi\u8def\u7531\u5668\u3002\n\nTOTOLINK AC1200\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e/lib/cste_modules/system.so\u4e2d\u7684cgi\u51fd\u6570setNoticeCfg\u672a\u68c0\u67e5\u7528\u6237\u8f93\u5165\u5b57\u7b26\u4e32NoticeUrl\u7684\u957f\u5ea6\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6784\u9020\u6076\u610fHTTP\u6216MQTT\u8bf7\u6c42\u4ee5\u9020\u6210\u62d2\u7edd\u670d\u52a1\u653b\u51fb\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-2025-14833",
  "openTime": "2025-07-02",
  "products": {
    "product": "TOTOLINK AC1200 A3100R V4.1.2cu.5247_B20211129"
  },
  "referenceLink": "https://gist.github.com/Swind1er/f442fcac520a48c05c744c7b72362483",
  "serverity": "\u9ad8",
  "submitTime": "2024-06-14",
  "title": "TOTOLINK AC1200\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2024-36650 (GCVE-0-2024-36650)

Vulnerability from cvelistv5 – Published: 2024-06-11 00:00 – Updated: 2024-08-02 03:37

Summary

TOTOLINK AC1200 Wireless Dual Band Gigabit Router firmware A3100R V4.1.2cu.5247_B20211129, in the cgi function `setNoticeCfg` of the file `/lib/cste_modules/system.so`, the length of the user input string `NoticeUrl` is not checked. This can lead to a buffer overflow, allowing attackers to construct malicious HTTP or MQTT requests to cause a denial-of-service attack.

Severity

7.5 (High)


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

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-06-11 20:26 UTC

CWE

n/a
CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Assigner

mitre CNA under the mitre root

CNA scorecard E 27/100 over 2387 records in the last 180 days details

References

1 reference

URL	Tags
https://gist.github.com/Swind1er/f442fcac520a48c0…

Impacted products

1 product

Vendor	Product	Version
totolink	a3100r	Affected: v4.1.2cu.5247_b20211129 cpe:2.3:h:totolink:a3100r:-:::::::*

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JSON

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{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:h:totolink:a3100r:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "a3100r",
            "vendor": "totolink",
            "versions": [
              {
                "status": "affected",
                "version": "v4.1.2cu.5247_b20211129"
              }
            ]
          }
        ],
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2024-36650",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-06-11T20:26:51.090955Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-120",
                "description": "CWE-120 Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-11T20:32:14.526Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T03:37:05.419Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://gist.github.com/Swind1er/f442fcac520a48c05c744c7b72362483"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "TOTOLINK AC1200 Wireless Dual Band Gigabit Router firmware A3100R V4.1.2cu.5247_B20211129, in the cgi function `setNoticeCfg` of the file `/lib/cste_modules/system.so`, the length of the user input string `NoticeUrl` is not checked. This can lead to a buffer overflow, allowing attackers to construct malicious HTTP or MQTT requests to cause a denial-of-service attack."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-06-11T15:28:21.140Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://gist.github.com/Swind1er/f442fcac520a48c05c744c7b72362483"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2024-36650",
    "datePublished": "2024-06-11T00:00:00.000Z",
    "dateReserved": "2024-05-30T00:00:00.000Z",
    "dateUpdated": "2024-08-02T03:37:05.419Z",
    "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.
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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.
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CNVD-2025-14833

CVE-2024-36650 (GCVE-0-2024-36650)

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