Vulnerability-Lookup

CNVD-2025-16866

Vulnerability from cnvd - Published: 2025-07-25

Title

Tenda FH1202 /goform/PPTPDClient文件缓冲区溢出漏洞

Description

Tenda FH1202是中国腾达（Tenda）公司的一款无线路由器。 Tenda FH1202 1.2.0.14(408)版本存在缓冲区溢出漏洞，该漏洞源于文件/goform/PPTPDClient中函数fromPptpUserAdd参数Username未能正确验证输入数据的长度大小，远程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攻击。

Severity

高

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://github.com/panda666-888/vuls/blob/main/tenda/fh1202/fromPptpUserAdd.md

Reference

https://nvd.nist.gov/vuln/detail/CVE-2025-7530

Impacted products

Name
Tenda FH1202 1.2.0.14(408)

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-7530",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-7530"
    }
  },
  "description": "Tenda FH1202\u662f\u4e2d\u56fd\u817e\u8fbe\uff08Tenda\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002\n\nTenda FH1202 1.2.0.14(408)\u7248\u672c\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6587\u4ef6/goform/PPTPDClient\u4e2d\u51fd\u6570fromPptpUserAdd\u53c2\u6570Username\u672a\u80fd\u6b63\u786e\u9a8c\u8bc1\u8f93\u5165\u6570\u636e\u7684\u957f\u5ea6\u5927\u5c0f\uff0c\u8fdc\u7a0b\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\u653b\u51fb\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://github.com/panda666-888/vuls/blob/main/tenda/fh1202/fromPptpUserAdd.md",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-16866",
  "openTime": "2025-07-25",
  "products": {
    "product": "Tenda FH1202 1.2.0.14(408)"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2025-7530",
  "serverity": "\u9ad8",
  "submitTime": "2025-07-18",
  "title": "Tenda FH1202 /goform/PPTPDClient\u6587\u4ef6\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2025-7530 (GCVE-0-2025-7530)

Vulnerability from cvelistv5 – Published: 2025-07-13 15:02 – Updated: 2025-07-14 16:02

Title

Tenda FH1202 PPTPDClient fromPptpUserAdd stack-based overflow

Summary

A vulnerability, which was classified as critical, has been found in Tenda FH1202 1.2.0.14(408). Affected by this issue is the function fromPptpUserAdd of the file /goform/PPTPDClient. The manipulation of the argument Username leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may 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 2025-07-14 16:02 UTC

CWE

CWE-121 - Stack-based Buffer Overflow
CWE-119 - Memory Corruption

Assigner

VulDB mitre root

References

5 references

URL	Tags
https://vuldb.com/?id.316226	vdb-entrytechnical-description
https://vuldb.com/?ctiid.316226	signaturepermissions-required
https://vuldb.com/?submit.612956	third-party-advisory
https://github.com/panda666-888/vuls/blob/main/te…	exploit
https://www.tenda.com.cn/	product

Impacted products

1 product

Vendor	Product	Version
Tenda	FH1202	Affected: 1.2.0.14(408)

Credits

panda_0x1 (VulDB User)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-7530",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-07-14T16:02:41.911215Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-07-14T16:02:45.450Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/panda666-888/vuls/blob/main/tenda/fh1202/fromPptpUserAdd.md"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "FH1202",
          "vendor": "Tenda",
          "versions": [
            {
              "status": "affected",
              "version": "1.2.0.14(408)"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "panda_0x1 (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability, which was classified as critical, has been found in Tenda FH1202 1.2.0.14(408). Affected by this issue is the function fromPptpUserAdd of the file /goform/PPTPDClient. The manipulation of the argument Username leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used."
        },
        {
          "lang": "de",
          "value": "Eine kritische Schwachstelle wurde in Tenda FH1202 1.2.0.14(408) entdeckt. Es geht hierbei um die Funktion fromPptpUserAdd der Datei /goform/PPTPDClient. Durch das Beeinflussen des Arguments Username mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann \u00fcber das Netzwerk angegangen werden. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "vectorString": "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",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "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",
            "version": "3.1"
          }
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        {
          "cvssV3_0": {
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            "version": "3.0"
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        {
          "descriptions": [
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      },
      "references": [
        {
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          "tags": [
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          ],
          "url": "https://vuldb.com/?id.316226"
        },
        {
          "name": "VDB-316226 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
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            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.316226"
        },
        {
          "name": "Submit #612956 | Tenda FH1202 V1.2.0.14(408) Buffer Overflow",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.612956"
        },
        {
          "tags": [
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          "url": "https://github.com/panda666-888/vuls/blob/main/tenda/fh1202/fromPptpUserAdd.md"
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          "url": "https://www.tenda.com.cn/"
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      ],
      "timeline": [
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          "time": "2025-07-12T02:00:00.000Z",
          "value": "VulDB entry created"
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        {
          "lang": "en",
          "time": "2025-07-12T13:33:56.000Z",
          "value": "VulDB entry last update"
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      "title": "Tenda FH1202 PPTPDClient fromPptpUserAdd stack-based overflow"
    }
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  "cveMetadata": {
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    "dateReserved": "2025-07-12T11:28:39.271Z",
    "dateUpdated": "2025-07-14T16:02:45.450Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.