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CNVD-2025-20835

Vulnerability from cnvd - Published: 2025-09-09

Title

Belkin F9K1122堆栈缓冲区溢出漏洞（CNVD-2025-20835）

Description

Belkin F9K1122是加拿大Belkin公司的一款WiFi信号扩展器。 Belkin F9K1122 1.00.33版本存在缓冲区溢出漏洞，该漏洞源于文件/goform/formWanTcpipSetup中参数pppUserName的错误操作导致，目前没有详细的漏洞细节提供。

Severity

高

Patch Name

Belkin F9K1122堆栈缓冲区溢出漏洞（CNVD-2025-20835）的补丁

Patch Description

Belkin F9K1122是加拿大Belkin公司的一款WiFi信号扩展器。 Belkin F9K1122 1.00.33版本存在缓冲区溢出漏洞，该漏洞源于文件/goform/formWanTcpipSetup中参数pppUserName的错误操作导致，目前没有详细的漏洞细节提供。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://www.belkin.com/my/support-article?articleNum=24903

Reference

https://nvd.nist.gov/vuln/detail/CVE-2025-7089

Impacted products

Name
Belkin F9K1122 1.00.33

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-7089",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-7089"
    }
  },
  "description": "Belkin F9K1122\u662f\u52a0\u62ff\u5927Belkin\u516c\u53f8\u7684\u4e00\u6b3eWiFi\u4fe1\u53f7\u6269\u5c55\u5668\u3002\n\nBelkin F9K1122 1.00.33\u7248\u672c\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6587\u4ef6/goform/formWanTcpipSetup\u4e2d\u53c2\u6570pppUserName\u7684\u9519\u8bef\u64cd\u4f5c\u5bfc\u81f4\uff0c\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.belkin.com/my/support-article?articleNum=24903",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-20835",
  "openTime": "2025-09-09",
  "patchDescription": "Belkin F9K1122\u662f\u52a0\u62ff\u5927Belkin\u516c\u53f8\u7684\u4e00\u6b3eWiFi\u4fe1\u53f7\u6269\u5c55\u5668\u3002\r\n\r\nBelkin F9K1122 1.00.33\u7248\u672c\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6587\u4ef6/goform/formWanTcpipSetup\u4e2d\u53c2\u6570pppUserName\u7684\u9519\u8bef\u64cd\u4f5c\u5bfc\u81f4\uff0c\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Belkin F9K1122\u5806\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2025-20835\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Belkin F9K1122 1.00.33"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2025-7089",
  "serverity": "\u9ad8",
  "submitTime": "2025-07-11",
  "title": "Belkin F9K1122\u5806\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2025-20835\uff09"
}

CVE-2025-7089 (GCVE-0-2025-7089)

Vulnerability from cvelistv5 – Published: 2025-07-06 18:32 – Updated: 2025-07-07 16:02

Title

Belkin F9K1122 webs formWanTcpipSetup stack-based overflow

Summary

A vulnerability was found in Belkin F9K1122 1.00.33 and classified as critical. This issue affects the function formWanTcpipSetup of the file /goform/formWanTcpipSetup of the component webs. The manipulation of the argument pppUserName leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

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 2025-07-07 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.315005	vdb-entrytechnical-description
https://vuldb.com/?ctiid.315005	signaturepermissions-required
https://vuldb.com/?submit.603698	third-party-advisory
https://github.com/wudipjq/my_vuln/blob/main/Belk…	related
https://github.com/wudipjq/my_vuln/blob/main/Belk…	exploit

Impacted products

1 product

Vendor	Product	Version
Belkin	F9K1122	Affected: 1.00.33

Credits

pjqwudi (VulDB User)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-7089",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-07-07T16:02:28.384520Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-07-07T16:02:31.113Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/wudipjq/my_vuln/blob/main/Belkin/vuln_9/9.md"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "modules": [
            "webs"
          ],
          "product": "F9K1122",
          "vendor": "Belkin",
          "versions": [
            {
              "status": "affected",
              "version": "1.00.33"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "pjqwudi (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was found in Belkin F9K1122 1.00.33 and classified as critical. This issue affects the function formWanTcpipSetup of the file /goform/formWanTcpipSetup of the component webs. The manipulation of the argument pppUserName leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
        },
        {
          "lang": "de",
          "value": "Eine kritische Schwachstelle wurde in Belkin F9K1122 1.00.33 gefunden. Davon betroffen ist die Funktion formWanTcpipSetup der Datei /goform/formWanTcpipSetup der Komponente webs. Durch das Beeinflussen des Arguments pppUserName mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann \u00fcber das Netzwerk erfolgen. 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"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "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",
            "version": "3.0"
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        },
        {
          "cvssV2_0": {
            "baseScore": 9,
            "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR",
            "version": "2.0"
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          "descriptions": [
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              "lang": "en",
              "type": "CWE"
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        },
        {
          "descriptions": [
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              "lang": "en",
              "type": "CWE"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2025-07-06T18:32:04.914Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-315005 | Belkin F9K1122 webs formWanTcpipSetup stack-based overflow",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.315005"
        },
        {
          "name": "VDB-315005 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.315005"
        },
        {
          "name": "Submit #603698 | Belkin F9K1122 1.00.33 Stack-based Buffer Overflow",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.603698"
        },
        {
          "tags": [
            "related"
          ],
          "url": "https://github.com/wudipjq/my_vuln/blob/main/Belkin/vuln_9/9.md"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/wudipjq/my_vuln/blob/main/Belkin/vuln_9/9.md#poc"
        }
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          "lang": "en",
          "time": "2025-07-05T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2025-07-05T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2025-07-05T17:30:20.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Belkin F9K1122 webs formWanTcpipSetup stack-based overflow"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2025-7089",
    "datePublished": "2025-07-06T18:32:04.914Z",
    "dateReserved": "2025-07-05T15:24:44.161Z",
    "dateUpdated": "2025-07-07T16:02:31.113Z",
    "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.