Vulnerability-Lookup

CNVD-2026-34621

Vulnerability from cnvd - Published: 2026-08-26

Title

Tenda CH22路径遍历漏洞（CNVD-2026-34621）

Description

Tenda CH22是腾达（Tenda）公司推出的一款450M企业级无线路由器。 Tenda CH22存在路径遍历漏洞，该漏洞源于对文件/public/中未知函数的错误操作，目前没有详细的漏洞细节提供。

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://vuldb.com/?id.338333 https://github.com/master-abc/cve/blob/main/Tenda%20CH22%20V1.0.0.1%20Router%20Authentication%20Bypass%20Vulnerability%20in%20R7WebsSecurityHandler%20function.md https://vuldb.com/?ctiid.338333 https://www.tenda.com.cn/ https://vuldb.com/?submit.721411 https://access.redhat.com/security/cve/cve-2025-15076

Impacted products

Name
Tenda CH22 1.0.0.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-15076",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-15076"
    }
  },
  "description": "Tenda CH22\u662f\u817e\u8fbe\uff08Tenda\uff09\u516c\u53f8\u63a8\u51fa\u7684\u4e00\u6b3e450M\u4f01\u4e1a\u7ea7\u65e0\u7ebf\u8def\u7531\u5668\u3002\n\nTenda CH22\u5b58\u5728\u8def\u5f84\u904d\u5386\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5bf9\u6587\u4ef6/public/\u4e2d\u672a\u77e5\u51fd\u6570\u7684\u9519\u8bef\u64cd\u4f5c\uff0c\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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-2026-34621",
  "openTime": "2026-08-26",
  "products": {
    "product": "Tenda CH22 1.0.0.1"
  },
  "referenceLink": "https://vuldb.com/?id.338333\r\n\r\nhttps://github.com/master-abc/cve/blob/main/Tenda%20CH22%20V1.0.0.1%20Router%20Authentication%20Bypass%20Vulnerability%20in%20R7WebsSecurityHandler%20function.md\r\n\r\nhttps://vuldb.com/?ctiid.338333\r\n\r\nhttps://www.tenda.com.cn/\r\n\r\nhttps://vuldb.com/?submit.721411\r\n\r\nhttps://access.redhat.com/security/cve/cve-2025-15076",
  "serverity": "\u9ad8",
  "submitTime": "2026-01-14",
  "title": "Tenda CH22\u8def\u5f84\u904d\u5386\u6f0f\u6d1e\uff08CNVD-2026-34621\uff09"
}

CVE-2025-15076 (GCVE-0-2025-15076)

Vulnerability from cvelistv5 – Published: 2025-12-25 03:32 – Updated: 2026-02-24 06:04

Title

Tenda CH22 public path traversal

Summary

A weakness has been identified in Tenda CH22 1.0.0.1. Impacted is an unknown function of the file /public/. Executing a manipulation can lead to path traversal. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.

Severity

6.9 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

7.3 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

7.3 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-12-26 16:33 UTC

CWE

CWE-22 - Path Traversal

Assigner

VulDB mitre root

References

5 references

URL	Tags
https://vuldb.com/?id.338333	vdb-entrytechnical-description
https://vuldb.com/?ctiid.338333	signaturepermissions-required
https://vuldb.com/?submit.721411	third-party-advisory
https://github.com/master-abc/cve/blob/main/Tenda…	exploit
https://www.tenda.com.cn/	product

Impacted products

1 product

Vendor	Product	Version
Tenda	CH22	Affected: 1.0.0.1 cpe:2.3:o:tenda:ch22_firmware::::::::

Credits

jiefengliang (VulDB User)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-15076",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-12-26T16:33:42.933019Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-12-26T16:33:52.331Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:o:tenda:ch22_firmware:*:*:*:*:*:*:*:*"
          ],
          "product": "CH22",
          "vendor": "Tenda",
          "versions": [
            {
              "status": "affected",
              "version": "1.0.0.1"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "jiefengliang (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A weakness has been identified in Tenda CH22 1.0.0.1. Impacted is an unknown function of the file /public/. Executing a manipulation can lead to path traversal. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 7.5,
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-22",
              "description": "Path Traversal",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-24T06:04:37.858Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-338333 | Tenda CH22 public path traversal",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.338333"
        },
        {
          "name": "VDB-338333 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.338333"
        },
        {
          "name": "Submit #721411 | Tenda CH22 V1.0.0.1 Authentication Bypass Issues",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.721411"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/master-abc/cve/blob/main/Tenda%20CH22%20V1.0.0.1%20Router%20Authentication%20Bypass%20Vulnerability%20in%20R7WebsSecurityHandler%20function.md"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://www.tenda.com.cn/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2025-12-24T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2025-12-24T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2025-12-28T15:31:41.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Tenda CH22 public path traversal"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2025-15076",
    "datePublished": "2025-12-25T03:32:06.775Z",
    "dateReserved": "2025-12-24T16:54:32.752Z",
    "dateUpdated": "2026-02-24T06:04:37.858Z",
    "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.