Vulnerability-Lookup

CNVD-2025-24761

Vulnerability from cnvd - Published: 2025-10-24

Title

D-Link DI-7100G C1 openid参数缓冲区溢出漏洞

Description

D-Link DI-7100G C1是D-Link推出的企业级路由器，主要面向中小型企业设计。 D-Link DI-7100G C1存在缓冲区溢出漏洞，该漏洞源于文件/webchat/login.cgi中参数openid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.dlink.com/en

Reference

https://vuldb.com/?ctiid.327221

Impacted products

Name
D-Link DI-7100G C1 <=20250928

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-11338",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-11338"
    }
  },
  "description": "D-Link DI-7100G C1\u662fD-Link\u63a8\u51fa\u7684\u4f01\u4e1a\u7ea7\u8def\u7531\u5668\uff0c\u4e3b\u8981\u9762\u5411\u4e2d\u5c0f\u578b\u4f01\u4e1a\u8bbe\u8ba1\u3002\n\nD-Link DI-7100G C1\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6587\u4ef6/webchat/login.cgi\u4e2d\u53c2\u6570openid\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.dlink.com/en",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-24761",
  "openTime": "2025-10-24",
  "products": {
    "product": "D-Link DI-7100G C1 \u003c=20250928"
  },
  "referenceLink": "https://vuldb.com/?ctiid.327221",
  "serverity": "\u9ad8",
  "submitTime": "2025-10-21",
  "title": "D-Link DI-7100G C1 openid\u53c2\u6570\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2025-11338 (GCVE-0-2025-11338)

Vulnerability from cvelistv5 – Published: 2025-10-06 16:02 – Updated: 2025-10-06 17:16

Title

D-Link DI-7100G C1 jhttpd login.cgi sub_4C0990 buffer overflow

Summary

A flaw has been found in D-Link DI-7100G C1 up to 20250928. This vulnerability affects the function sub_4C0990 of the file /webchat/login.cgi of the component jhttpd. Executing manipulation of the argument openid can lead to buffer overflow. It is possible to launch the attack remotely. The exploit has been published 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: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-10-06 17:01 UTC

CWE

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

Assigner

VulDB mitre root

References

5 references

URL	Tags
https://vuldb.com/?id.327221	vdb-entrytechnical-description
https://vuldb.com/?ctiid.327221	signaturepermissions-required
https://vuldb.com/?submit.664619	third-party-advisory
https://www.yuque.com/jh0ng/vmpda6/kggo2ngrcphzvwml	exploit
https://www.dlink.com/	product

Impacted products

1 product

Vendor	Product	Version
D-Link	DI-7100G C1	Affected: 20250928

Credits

sheratan (VulDB User)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-11338",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-10-06T17:01:59.929368Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-10-06T17:16:48.402Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "modules": [
            "jhttpd"
          ],
          "product": "DI-7100G C1",
          "vendor": "D-Link",
          "versions": [
            {
              "status": "affected",
              "version": "20250928"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "sheratan (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw has been found in D-Link DI-7100G C1 up to 20250928. This vulnerability affects the function sub_4C0990 of the file /webchat/login.cgi of the component jhttpd. Executing manipulation of the argument openid can lead to buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used."
        },
        {
          "lang": "de",
          "value": "Es wurde eine Schwachstelle in D-Link DI-7100G C1 up to 20250928 entdeckt. Betroffen davon ist die Funktion sub_4C0990 der Datei /webchat/login.cgi der Komponente jhttpd. Die Bearbeitung des Arguments openid verursacht buffer overflow. Umgesetzt werden kann der Angriff \u00fcber das Netzwerk. Der Exploit wurde der \u00d6ffentlichkeit bekannt gemacht und k\u00f6nnte verwendet werden."
        }
      ],
      "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"
          }
        },
        {
          "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"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
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              "cweId": "CWE-120",
              "description": "Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-119",
              "description": "Memory Corruption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-06T16:02:08.398Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-327221 | D-Link DI-7100G C1 jhttpd login.cgi sub_4C0990 buffer overflow",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.327221"
        },
        {
          "name": "VDB-327221 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.327221"
        },
        {
          "name": "Submit #664619 | D-Link DI-7100G C1 Buffer Overflow",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.664619"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://www.yuque.com/jh0ng/vmpda6/kggo2ngrcphzvwml"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://www.dlink.com/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2025-10-05T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2025-10-06T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2025-10-06T17:34:24.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "D-Link DI-7100G C1 jhttpd login.cgi sub_4C0990 buffer overflow"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2025-11338",
    "datePublished": "2025-10-06T16:02:08.398Z",
    "dateReserved": "2025-10-05T22:09:03.609Z",
    "dateUpdated": "2025-10-06T17:16:48.402Z",
    "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.