Vulnerability-Lookup

CNVD-2025-19529

Vulnerability from cnvd - Published: 2025-08-22

Title

TOTOLINK EX1200T认证绕过漏洞

Description

TOTOLINK EX1200T是中国吉翁电子（TOTOLINK）公司的一款Wi-Fi范围扩展器。 TOTOLINK EX1200T存在认证绕过漏洞，该漏洞源于formLoginAuth.htm未正确验证登录请求，攻击者可利用该漏洞通过绕过身份验证，获取系统管理员权限，控制整个系统。

Severity

高

Patch Name

TOTOLINK EX1200T认证绕过漏洞的补丁

Patch Description

TOTOLINK EX1200T是中国吉翁电子（TOTOLINK）公司的一款Wi-Fi范围扩展器。 TOTOLINK EX1200T存在认证绕过漏洞，该漏洞源于formLoginAuth.htm未正确验证登录请求，攻击者可利用该漏洞通过绕过身份验证，获取系统管理员权限，控制整个系统。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

厂商已发布了漏洞修复程序，请及时关注更新： https://gist.github.com/lin-3-start/e42344d5caea881e5429fdd40fad1fd8

Reference

https://nvd.nist.gov/vuln/detail/CVE-2025-51451

Impacted products

Name
TOTOLINK EX1200T V4.1.2cu.5215

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-51451",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-51451"
    }
  },
  "description": "TOTOLINK EX1200T\u662f\u4e2d\u56fd\u5409\u7fc1\u7535\u5b50\uff08TOTOLINK\uff09\u516c\u53f8\u7684\u4e00\u6b3eWi-Fi\u8303\u56f4\u6269\u5c55\u5668\u3002\n\nTOTOLINK EX1200T\u5b58\u5728\u8ba4\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eformLoginAuth.htm\u672a\u6b63\u786e\u9a8c\u8bc1\u767b\u5f55\u8bf7\u6c42\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u7ed5\u8fc7\u8eab\u4efd\u9a8c\u8bc1\uff0c\u83b7\u53d6\u7cfb\u7edf\u7ba1\u7406\u5458\u6743\u9650\uff0c\u63a7\u5236\u6574\u4e2a\u7cfb\u7edf\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://gist.github.com/lin-3-start/e42344d5caea881e5429fdd40fad1fd8",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-19529",
  "openTime": "2025-08-22",
  "patchDescription": "TOTOLINK EX1200T\u662f\u4e2d\u56fd\u5409\u7fc1\u7535\u5b50\uff08TOTOLINK\uff09\u516c\u53f8\u7684\u4e00\u6b3eWi-Fi\u8303\u56f4\u6269\u5c55\u5668\u3002\r\n\r\nTOTOLINK EX1200T\u5b58\u5728\u8ba4\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eformLoginAuth.htm\u672a\u6b63\u786e\u9a8c\u8bc1\u767b\u5f55\u8bf7\u6c42\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u7ed5\u8fc7\u8eab\u4efd\u9a8c\u8bc1\uff0c\u83b7\u53d6\u7cfb\u7edf\u7ba1\u7406\u5458\u6743\u9650\uff0c\u63a7\u5236\u6574\u4e2a\u7cfb\u7edf\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 EX1200T\u8ba4\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "TOTOLINK EX1200T  V4.1.2cu.5215"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2025-51451",
  "serverity": "\u9ad8",
  "submitTime": "2025-08-21",
  "title": "TOTOLINK EX1200T\u8ba4\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2025-51451 (GCVE-0-2025-51451)

Vulnerability from cvelistv5 – Published: 2025-08-13 00:00 – Updated: 2026-07-05 01:09

Summary

In TOTOLINK EX1200T firmware 4.1.2cu.5215, an attacker can bypass login by sending a specific request through formLoginAuth.htm.

Severity

9.8 (Critical)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-08-14 14:51 UTC

CWE

n/a
CWE-287 - Improper Authentication

Assigner

mitre mitre root

References

2 references

URL	Tags
https://www.totolink.net/home/menu/detail/menu_li…
https://gist.github.com/lin-3-start/e42344d5caea8…

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2025-51451",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-14T14:51:08.332755Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-287",
                "description": "CWE-287 Improper Authentication",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-08-14T14:53:51.892Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In TOTOLINK EX1200T firmware 4.1.2cu.5215, an attacker can bypass login by sending a specific request through formLoginAuth.htm."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-05T01:09:13.572Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://www.totolink.net/home/menu/detail/menu_listtpl/download/id/204/ids/36.html"
        },
        {
          "url": "https://gist.github.com/lin-3-start/e42344d5caea881e5429fdd40fad1fd8"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2025-51451",
    "datePublished": "2025-08-13T00:00:00.000Z",
    "dateReserved": "2025-06-16T00:00:00.000Z",
    "dateUpdated": "2026-07-05T01:09:13.572Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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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.
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CNVD-2025-19529

CVE-2025-51451 (GCVE-0-2025-51451)

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