Vulnerability-Lookup

CVE-2024-31813 (GCVE-0-2024-31813)

Vulnerability from cvelistv5 – Published: 2024-04-08 00:00 – Updated: 2024-11-19 19:44

Summary

TOTOLINK EX200 V4.0.3c.7646_B20201211 does not contain an authentication mechanism by default.

Severity

8.4 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/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 2024-11-19 19:43 UTC

CWE

n/a
CWE-862 - Missing Authorization

Assigner

mitre mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/4hsien/CVE-vulns/blob/main/TOT…

Impacted products

1 product

Vendor	Product	Version	CPE status
totolink	ex200_firmware	Affected: 4.0.3c.7646_b20201211 cpe:2.3:o:totolink:ex200_firmware:4.0.3c.7646_b20201211:::::::*

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JSON

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{
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            ],
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          },
          {
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        ],
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    "vulnrichment": {
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          {
            "affected": [
              {
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}

CNVD-2025-17946

Vulnerability from cnvd - Published: 2025-08-08

Title

TOTOLINK EX200存在未明漏洞（CNVD-2025-17946）

Description

TOTOLINK EX200是一款由中国吉翁电子（TOTOLINK）推出的无线N范围扩展器，主要用于扩展现有Wi-Fi网络的覆盖范围，解决信号盲区问题。 TOTOLINK EX200存在安全漏洞，该漏洞源于默认情况下不包含身份验证机制。目前没有详细的漏洞细节提供。

Severity

高

Patch Name

TOTOLINK EX200存在未明漏洞（CNVD-2025-17946）的补丁

Patch Description

TOTOLINK EX200是一款由中国吉翁电子（TOTOLINK）推出的无线N范围扩展器，主要用于扩展现有Wi-Fi网络的覆盖范围，解决信号盲区问题。 TOTOLINK EX200存在安全漏洞，该漏洞源于默认情况下不包含身份验证机制。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/

Reference

https://github.com/4hsien/CVE-vulns/blob/main/TOTOLINK/EX200/Missing_Authentication/missauth.md

Impacted products

Name
TOTOLINK EX200 V4.0.3c.7646_B20201211

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2024-31813",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2024-31813"
    }
  },
  "description": "TOTOLINK EX200\u662f\u4e00\u6b3e\u7531\u4e2d\u56fd\u5409\u7fc1\u7535\u5b50\uff08TOTOLINK\uff09\u63a8\u51fa\u7684\u65e0\u7ebfN\u8303\u56f4\u6269\u5c55\u5668 \uff0c\u4e3b\u8981\u7528\u4e8e\u6269\u5c55\u73b0\u6709Wi-Fi\u7f51\u7edc\u7684\u8986\u76d6\u8303\u56f4\uff0c\u89e3\u51b3\u4fe1\u53f7\u76f2\u533a\u95ee\u9898\u3002\n\nTOTOLINK EX200\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4e0d\u5305\u542b\u8eab\u4efd\u9a8c\u8bc1\u673a\u5236\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/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-17946",
  "openTime": "2025-08-08",
  "patchDescription": "TOTOLINK EX200\u662f\u4e00\u6b3e\u7531\u4e2d\u56fd\u5409\u7fc1\u7535\u5b50\uff08TOTOLINK\uff09\u63a8\u51fa\u7684\u65e0\u7ebfN\u8303\u56f4\u6269\u5c55\u5668 \uff0c\u4e3b\u8981\u7528\u4e8e\u6269\u5c55\u73b0\u6709Wi-Fi\u7f51\u7edc\u7684\u8986\u76d6\u8303\u56f4\uff0c\u89e3\u51b3\u4fe1\u53f7\u76f2\u533a\u95ee\u9898\u3002\r\n\r\nTOTOLINK EX200\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4e0d\u5305\u542b\u8eab\u4efd\u9a8c\u8bc1\u673a\u5236\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 EX200\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2025-17946\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "TOTOLINK EX200 V4.0.3c.7646_B20201211"
  },
  "referenceLink": "https://github.com/4hsien/CVE-vulns/blob/main/TOTOLINK/EX200/Missing_Authentication/missauth.md",
  "serverity": "\u9ad8",
  "submitTime": "2024-04-10",
  "title": "TOTOLINK EX200\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2025-17946\uff09"
}

FKIE_CVE-2024-31813

Vulnerability from fkie_nvd - Published: 2024-04-08 13:15 - Updated: 2026-06-17 07:28

Severity

8.4 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

TOTOLINK EX200 V4.0.3c.7646_B20201211 does not contain an authentication mechanism by default.

References

	URL	Tags
	cve@mitre.org	https://github.com/4hsien/CVE-vulns/blob/main/TOTOLINK/EX200/Missing_Authentication/missauth.md	Third Party Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://github.com/4hsien/CVE-vulns/blob/main/TOTOLINK/EX200/Missing_Authentication/missauth.md	Third Party Advisory

Impacted products

	Vendor	Product	Version
	totolink	ex200_firmware	4.0.3c.7646_b20201211
	totolink	ex200	-

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    },
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:o:totolink:ex200_firmware:4.0.3c.7646_b20201211:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "ex200_firmware",
          "vendor": "totolink",
          "versions": [
            {
              "status": "affected",
              "version": "4.0.3c.7646_b20201211"
            }
          ]
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GHSA-WC5V-66FR-QMW9

Vulnerability from github – Published: 2024-04-08 15:30 – Updated: 2024-11-19 21:31

Details

TOTOLINK EX200 V4.0.3c.7646_B20201211 does not contain an authentication mechanism by default.

Severity

8.4 (High)


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

Show details on source website

JSON

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GSD-2024-31813

Vulnerability from gsd - Updated: 2024-04-11 05:03

Details

TOTOLINK EX200 V4.0.3c.7646_B20201211 does not contain an authentication mechanism by default.

Aliases

CVE-2024-31813

JSON

To clipboard

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VAR-202404-3544

Vulnerability from variot - Updated: 2025-08-10 23:36

TOTOLINK EX200 V4.0.3c.7646_B20201211 does not contain an authentication mechanism by default. TOTOLINK of EX200 A lack of authentication vulnerability exists in the firmware.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. The TOTOLINK EX200 is a wireless N range extender manufactured by China's TOTOLINK Electronics. It's primarily used to extend the coverage of existing Wi-Fi networks and resolve signal dead zones. Detailed vulnerability details are currently unavailable

Show details on source website

JSON

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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.

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.

Action not permitted

CVE-2024-31813 (GCVE-0-2024-31813)

CNVD-2025-17946

FKIE_CVE-2024-31813

GHSA-WC5V-66FR-QMW9

GSD-2024-31813

VAR-202404-3544

Tags

Sightings

Nomenclature

Related by attack behaviour