Vulnerability-Lookup

CNVD-2021-30001

Vulnerability from cnvd - Published: 2021-04-22

Title

D-Link DIR-816栈缓冲区溢出漏洞

Description

D-Link DIR-816是一款无线AC750双频路由器。 D-Link DIR-816 A2 1.10 B05版中的/goform/addassignment的handler函数存在栈缓冲区溢出漏洞。攻击者可通过s_ip和s_mac字段的长文本输入利用该漏洞导致路由器崩溃。

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://www.dlink.com/en/security-bulletin

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-27114

Impacted products

Name
D-Link DIR-816 A2 1.10 B05

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-27114",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-27114"
    }
  },
  "description": "D-Link DIR-816\u662f\u4e00\u6b3e\u65e0\u7ebfAC750\u53cc\u9891\u8def\u7531\u5668\u3002\n\nD-Link DIR-816 A2 1.10 B05\u7248\u4e2d\u7684/goform/addassignment\u7684handler\u51fd\u6570\u5b58\u5728\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7s_ip\u548cs_mac\u5b57\u6bb5\u7684\u957f\u6587\u672c\u8f93\u5165\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u8def\u7531\u5668\u5d29\u6e83\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://www.dlink.com/en/security-bulletin",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-30001",
  "openTime": "2021-04-22",
  "products": {
    "product": "D-Link DIR-816 A2 1.10 B05"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-27114",
  "serverity": "\u9ad8",
  "submitTime": "2021-04-15",
  "title": "D-Link DIR-816\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2021-27114 (GCVE-0-2021-27114)

Vulnerability from cvelistv5 – Published: 2021-04-14 13:54 – Updated: 2024-08-03 20:40

Summary

An issue was discovered in D-Link DIR-816 A2 1.10 B05 devices. Within the handler function of the /goform/addassignment route, a very long text entry for the"'s_ip" and "s_mac" fields could lead to a Stack-Based Buffer Overflow and overwrite the return address.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 29/100 over 2230 records in the last 180 days details

References

2 references

URL	Tags
https://www.dlink.com/en/security-bulletin/	x_refsource_MISC
https://github.com/GD008/vuln/blob/main/DIR-816_s…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-03T20:40:47.300Z",
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            ],
            "url": "https://www.dlink.com/en/security-bulletin/"
          },
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://github.com/GD008/vuln/blob/main/DIR-816_stackoverflow.md"
          }
        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
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        }
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        "dateUpdated": "2021-04-14T13:54:04.000Z",
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      "references": [
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          ],
          "url": "https://www.dlink.com/en/security-bulletin/"
        },
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          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/GD008/vuln/blob/main/DIR-816_stackoverflow.md"
        }
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          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-27114",
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            "vendor_data": [
              {
                "product": {
                  "product_data": [
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                      "product_name": "n/a",
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                        "version_data": [
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                            "version_value": "n/a"
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        "description": {
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        },
        "problemtype": {
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        "references": {
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    "dateReserved": "2021-02-10T00:00:00.000Z",
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    "state": "PUBLISHED"
  },
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  "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.

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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.
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