Vulnerability-Lookup

CNVD-2026-34110

Vulnerability from cnvd - Published: 2026-08-28

Title

Tenda W20E代码执行漏洞

Description

Tenda W20E是深圳市吉祥腾达科技有限公司推出的企业级无线路由器。 Tenda W20E存在代码执行漏洞，该漏洞源于url_need_login函数未能正确过滤构造代码段的特殊元素，攻击者可利用该漏洞执行任意代码。

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://tenda.com.cn/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2026-67965

Impacted products

Name
Tenda W20E V16.01.0.6(2782)

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JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-67965",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-67965"
    }
  },
  "description": "Tenda W20E\u662f\u6df1\u5733\u5e02\u5409\u7965\u817e\u8fbe\u79d1\u6280\u6709\u9650\u516c\u53f8\u63a8\u51fa\u7684\u4f01\u4e1a\u7ea7\u65e0\u7ebf\u8def\u7531\u5668\u3002\n\nTenda W20E\u5b58\u5728\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eurl_need_login\u51fd\u6570\u672a\u80fd\u6b63\u786e\u8fc7\u6ee4\u6784\u9020\u4ee3\u7801\u6bb5\u7684\u7279\u6b8a\u5143\u7d20\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4efb\u610f\u4ee3\u7801\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://tenda.com.cn/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-34110",
  "openTime": "2026-08-28",
  "products": {
    "product": "Tenda W20E V16.01.0.6(2782)"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2026-67965",
  "serverity": "\u9ad8",
  "submitTime": "2026-08-20",
  "title": "Tenda W20E\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e"
}

CVE-2026-67965 (GCVE-0-2026-67965)

Vulnerability from cvelistv5 – Published: 2026-08-17 00:00 – Updated: 2026-08-18 15:56

Summary

An issue in Tneda W20E v.16.01.0.6(2782) allows a remote attacker to execute arbitrary code via the url_need_login function

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: poc Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-18 15:55 UTC

CWE

n/a
CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://github.com/H0111mes/Tenda-W20E-Vulnerabil…

Show details on NVD website

JSON

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{
  "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-2026-67965",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-18T15:55:39.113510Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-78",
                "description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-18T15:56:48.601Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/H0111mes/Tenda-W20E-Vulnerability-Disclosure"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue in Tneda W20E v.16.01.0.6(2782) allows a remote attacker to execute arbitrary code via the url_need_login function"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-17T20:40:26.401Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/H0111mes/Tenda-W20E-Vulnerability-Disclosure"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2026-67965",
    "datePublished": "2026-08-17T00:00:00.000Z",
    "dateReserved": "2026-07-30T00:00:00.000Z",
    "dateUpdated": "2026-08-18T15:56:48.601Z",
    "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.

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CNVD-2026-34110

CVE-2026-67965 (GCVE-0-2026-67965)

Tags

Sightings

Nomenclature