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CNVD-2025-24479

Vulnerability from cnvd - Published: 2025-10-21

Title

Tenda AC20 strcpy函数缓冲区溢出漏洞

Description

Tenda AC20是一款由腾达（Tenda）推出的家庭路由器。 Tenda AC20存在缓冲区溢出漏洞，该漏洞源于HTTP POST请求处理组件中/goform/SetPptpServerCfg文件的strcpy函数的参数startIp未能正确验证输入数据的长度大小，攻击者可利用该漏洞在系统上执行任意代码或者导致拒绝服务。

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://www.tenda.com.cn/

Reference

https://github.com/Juana-2u/Tenda-AC20

Impacted products

Name
Tenda AC20 <=16.03.08.12

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-10815",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-10815"
    }
  },
  "description": "Tenda AC20\u662f\u4e00\u6b3e\u7531\u817e\u8fbe\uff08Tenda\uff09\u63a8\u51fa\u7684\u5bb6\u5ead\u8def\u7531\u5668\u3002\n\nTenda AC20\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eHTTP POST\u8bf7\u6c42\u5904\u7406\u7ec4\u4ef6\u4e2d/goform/SetPptpServerCfg\u6587\u4ef6\u7684strcpy\u51fd\u6570\u7684\u53c2\u6570startIp\u672a\u80fd\u6b63\u786e\u9a8c\u8bc1\u8f93\u5165\u6570\u636e\u7684\u957f\u5ea6\u5927\u5c0f\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u7cfb\u7edf\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\u7801\u6216\u8005\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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.tenda.com.cn/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-24479",
  "openTime": "2025-10-21",
  "products": {
    "product": "Tenda AC20 \u003c=16.03.08.12"
  },
  "referenceLink": "https://github.com/Juana-2u/Tenda-AC20",
  "serverity": "\u9ad8",
  "submitTime": "2025-09-25",
  "title": "Tenda AC20 strcpy\u51fd\u6570\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2025-10815 (GCVE-0-2025-10815)

Vulnerability from cvelistv5 – Published: 2025-09-22 21:02 – Updated: 2025-09-23 16:02

Title

Tenda AC20 HTTP POST Request SetPptpServerCfg strcpy buffer overflow

Summary

A vulnerability was identified in Tenda AC20 up to 16.03.08.12. Affected by this issue is the function strcpy of the file /goform/SetPptpServerCfg of the component HTTP POST Request Handler. Such manipulation of the argument startIp leads to buffer overflow. The attack can be launched remotely. The exploit is publicly available and might be used.

Severity

8.7 (High)


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

8.8 (High)


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

8.8 (High)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-09-23 16:02 UTC

CWE

CWE-120 - Buffer Overflow
CWE-119 - Memory Corruption

Assigner

VulDB mitre root

References

5 references

URL	Tags
https://vuldb.com/?id.325173	vdb-entrytechnical-description
https://vuldb.com/?ctiid.325173	signaturepermissions-required
https://vuldb.com/?submit.654460	third-party-advisory
https://github.com/Juana-2u/Tenda-AC20	exploit
https://www.tenda.com.cn/	product

Impacted products

1 product

Vendor	Product	Version
Tenda	AC20	Affected: 16.03.08.0 Affected: 16.03.08.1 Affected: 16.03.08.2 Affected: 16.03.08.3 Affected: 16.03.08.4 Affected: 16.03.08.5 Affected: 16.03.08.6 Affected: 16.03.08.7 Affected: 16.03.08.8 Affected: 16.03.08.9 Affected: 16.03.08.10 Affected: 16.03.08.11 Affected: 16.03.08.12

Credits

Juana_2u (VulDB User)

Show details on NVD website

JSON

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{
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      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-10815",
                "options": [
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                    "Exploitation": "poc"
                  },
                  {
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                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-09-23T16:02:33.361061Z",
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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    ],
    "cna": {
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            "HTTP POST Request Handler"
          ],
          "product": "AC20",
          "vendor": "Tenda",
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              "version": "16.03.08.0"
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            },
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              "status": "affected",
              "version": "16.03.08.2"
            },
            {
              "status": "affected",
              "version": "16.03.08.3"
            },
            {
              "status": "affected",
              "version": "16.03.08.4"
            },
            {
              "status": "affected",
              "version": "16.03.08.5"
            },
            {
              "status": "affected",
              "version": "16.03.08.6"
            },
            {
              "status": "affected",
              "version": "16.03.08.7"
            },
            {
              "status": "affected",
              "version": "16.03.08.8"
            },
            {
              "status": "affected",
              "version": "16.03.08.9"
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            },
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            },
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      ],
      "credits": [
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      ],
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          "value": "A vulnerability was identified in Tenda AC20 up to 16.03.08.12. Affected by this issue is the function strcpy of the file /goform/SetPptpServerCfg of the component HTTP POST Request Handler. Such manipulation of the argument startIp leads to buffer overflow. The attack can be launched remotely. The exploit is publicly available and might be used."
        },
        {
          "lang": "de",
          "value": "Es wurde eine Schwachstelle in Tenda AC20 up to 16.03.08.12 entdeckt. Dabei betrifft es die Funktion strcpy der Datei /goform/SetPptpServerCfg der Komponente HTTP POST Request Handler. Durch das Beeinflussen des Arguments startIp mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann \u00fcber das Netzwerk passieren. Der Exploit ist \u00f6ffentlich verf\u00fcgbar und k\u00f6nnte genutzt werden."
        }
      ],
      "metrics": [
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        "dateUpdated": "2025-09-22T21:02:08.431Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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      "references": [
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          "name": "VDB-325173 | Tenda AC20 HTTP POST Request SetPptpServerCfg strcpy buffer overflow",
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        {
          "name": "Submit #654460 | tenda AC20 \u003c= V16.03.08.12 (latest) Buffer Overflow",
          "tags": [
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          "url": "https://vuldb.com/?submit.654460"
        },
        {
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          "url": "https://github.com/Juana-2u/Tenda-AC20"
        },
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          "url": "https://www.tenda.com.cn/"
        }
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          "time": "2025-09-21T02:00:00.000Z",
          "value": "VulDB entry created"
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          "lang": "en",
          "time": "2025-09-21T12:27:15.000Z",
          "value": "VulDB entry last update"
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      "title": "Tenda AC20 HTTP POST Request SetPptpServerCfg strcpy buffer overflow"
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  "cveMetadata": {
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    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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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.

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.