Vulnerability-Lookup

CNVD-2026-36130

Vulnerability from cnvd - Published: 2026-09-09

Title

TOTOLINK T6访问控制不当漏洞（CNVD-2026-36130）

Description

TOTOLINK T6是‌吉翁电子（TOTOLINK）推出的一款无线双频Mesh路由器。 TOTOLINK T6存在访问控制不当漏洞，该漏洞源于getTelnetCfg函数访问控制不当，攻击者可利用该漏洞通过向/cgi-bin/cstecgi.cgi发送特制POST请求获取Telnet服务启用状态信息。

Severity

中

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://nvd.nist.gov/vuln/detail/CVE-2026-51664

Impacted products

Name
TOTOLINK T6 4.1.5cu.748_B20211015

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-51664",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-51664"
    }
  },
  "description": "TOTOLINK T6\u662f\u200c\u5409\u7fc1\u7535\u5b50\uff08TOTOLINK\uff09\u63a8\u51fa\u7684\u4e00\u6b3e\u65e0\u7ebf\u53cc\u9891Mesh\u8def\u7531\u5668\u3002\n\nTOTOLINK T6\u5b58\u5728\u8bbf\u95ee\u63a7\u5236\u4e0d\u5f53\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8egetTelnetCfg\u51fd\u6570\u8bbf\u95ee\u63a7\u5236\u4e0d\u5f53\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u5411/cgi-bin/cstecgi.cgi\u53d1\u9001\u7279\u5236POST\u8bf7\u6c42\u83b7\u53d6Telnet\u670d\u52a1\u542f\u7528\u72b6\u6001\u4fe1\u606f\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-2026-36130",
  "openTime": "2026-09-09",
  "products": {
    "product": "TOTOLINK T6 4.1.5cu.748_B20211015"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2026-51664",
  "serverity": "\u4e2d",
  "submitTime": "2026-09-08",
  "title": "TOTOLINK T6\u8bbf\u95ee\u63a7\u5236\u4e0d\u5f53\u6f0f\u6d1e\uff08CNVD-2026-36130\uff09"
}

CVE-2026-51664 (GCVE-0-2026-51664)

Vulnerability from cvelistv5 – Published: 2026-08-28 00:00 – Updated: 2026-09-01 16:03

Summary

Incorrect access control in the getTelnetCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain Telnet service enablement status information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Severity

4.3 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-01 16:03 UTC

CWE

n/a
CWE-284 - Improper Access Control

Assigner

mitre mitre root

References

4 references

URL	Tags
https://www.totolink.net/home/menu/detail/menu_li…
https://www.totolink.net/
https://github.com/DarkBoulder/CVE-Vendor-Coordin…
https://github.com/ShengWu00/CVE-Vendor-Coordinat…

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "ADJACENT_NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 4.3,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-51664",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-01T16:03:03.291712Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-284",
                "description": "CWE-284 Improper Access Control",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-01T16:03:06.699Z",
          "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": "Incorrect access control in the getTelnetCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain Telnet service enablement status information via sending a crafted POST request to /cgi-bin/cstecgi.cgi."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-28T19:41:44.019Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://www.totolink.net/home/menu/detail/menu_listtpl/download/id/190/ids/36.html"
        },
        {
          "url": "https://www.totolink.net/"
        },
        {
          "url": "https://github.com/DarkBoulder/CVE-Vendor-Coordination/blob/main/TOTOLINK/README.md"
        },
        {
          "url": "https://github.com/ShengWu00/CVE-Vendor-Coordination/blob/main/TOTOLINK/README.md"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2026-51664",
    "datePublished": "2026-08-28T00:00:00.000Z",
    "dateReserved": "2026-06-08T00:00:00.000Z",
    "dateUpdated": "2026-09-01T16:03:06.699Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.