Vulnerability-Lookup

CNVD-2026-32586

Vulnerability from cnvd - Published: 2026-08-19

Title

D-Link DI-8100缓冲区溢出漏洞

Description

D-Link DI-8100是友讯（D-Link）专为中小型企业设计的‌有线上网行为管理路由器‌。 D-Link DI-8100存在缓冲区溢出漏洞，该漏洞源于Web Management Interface组件中文件/url_member.asp对参数Name的操作导致缓冲区溢出，攻击者可利用该漏洞远程执行恶意代码，导致设备崩溃或控制设备。

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/us/en

Reference

https://vuldb.com/vuln/361133

Impacted products

Name
D-Link DI-8100 16.07.26A1

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-7856",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-7856"
    }
  },
  "description": "D-Link DI-8100\u662f\u53cb\u8baf\uff08D-Link\uff09\u4e13\u4e3a\u4e2d\u5c0f\u578b\u4f01\u4e1a\u8bbe\u8ba1\u7684\u200c\u6709\u7ebf\u4e0a\u7f51\u884c\u4e3a\u7ba1\u7406\u8def\u7531\u5668\u200c\u3002\n\nD-Link DI-8100\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eWeb Management Interface\u7ec4\u4ef6\u4e2d\u6587\u4ef6/url_member.asp\u5bf9\u53c2\u6570Name\u7684\u64cd\u4f5c\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8fdc\u7a0b\u6267\u884c\u6076\u610f\u4ee3\u7801\uff0c\u5bfc\u81f4\u8bbe\u5907\u5d29\u6e83\u6216\u63a7\u5236\u8bbe\u5907\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/us/en",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-32586",
  "openTime": "2026-08-19",
  "products": {
    "product": "D-Link DI-8100 16.07.26A1"
  },
  "referenceLink": "https://vuldb.com/vuln/361133",
  "serverity": "\u9ad8",
  "submitTime": "2026-05-06",
  "title": "D-Link DI-8100\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2026-7856 (GCVE-0-2026-7856)

Vulnerability from cvelistv5 – Published: 2026-05-05 19:00 – Updated: 2026-05-05 19:30

Title

D-Link DI-8100 Web Management url_member.asp buffer overflow

Summary

A flaw has been found in D-Link DI-8100 16.07.26A1. This affects an unknown part of the file /url_member.asp of the component Web Management Interface. Executing a manipulation of the argument Name can lead to buffer overflow. The attack can be launched remotely. The exploit has been published and may be used.

Severity

8.6 (High)


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

7.2 (High)


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

7.2 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:H/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 2026-05-05 19:30 UTC

CWE

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

Assigner

VulDB mitre root

References

5 references

URL	Tags
https://vuldb.com/vuln/361133	vdb-entrytechnical-description
https://vuldb.com/vuln/361133/cti	signaturepermissions-required
https://vuldb.com/submit/807849	third-party-advisory
https://github.com/draw-ctf/report/blob/main/DI-8…	exploit
https://www.dlink.com/	product

Impacted products

1 product

Vendor	Product	Version
D-Link	DI-8100	Affected: 16.07.26A1

Credits

draw (VulDB User)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-7856",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-05T19:30:46.517324Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-05T19:30:58.408Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "modules": [
            "Web Management Interface"
          ],
          "product": "DI-8100",
          "vendor": "D-Link",
          "versions": [
            {
              "status": "affected",
              "version": "16.07.26A1"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "draw (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw has been found in D-Link DI-8100 16.07.26A1. This affects an unknown part of the file /url_member.asp of the component Web Management Interface. Executing a manipulation of the argument Name can lead to buffer overflow. The attack can be launched remotely. The exploit has been published and may be used."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 8.3,
            "vectorString": "AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-120",
              "description": "Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-119",
              "description": "Memory Corruption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-05T19:00:14.098Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-361133 | D-Link DI-8100 Web Management url_member.asp buffer overflow",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/361133"
        },
        {
          "name": "VDB-361133 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/361133/cti"
        },
        {
          "name": "Submit #807849 | D-Link DI-8100 16.07.26A1 Denial of Service",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/807849"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/draw-ctf/report/blob/main/DI-8100/url_member_asp_overflow.md"
        },
        {
          "tags": [
            "product"
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          "url": "https://www.dlink.com/"
        }
      ],
      "timeline": [
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          "lang": "en",
          "time": "2026-05-05T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-05-05T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-05-05T13:46:36.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "D-Link DI-8100 Web Management url_member.asp buffer overflow"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-7856",
    "datePublished": "2026-05-05T19:00:14.098Z",
    "dateReserved": "2026-05-05T11:41:27.815Z",
    "dateUpdated": "2026-05-05T19:30:58.408Z",
    "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.

Action not permitted

CNVD-2026-32586

CVE-2026-7856 (GCVE-0-2026-7856)

Tags

Sightings

Nomenclature