Vulnerability-Lookup

CNVD-2021-85889

Vulnerability from cnvd - Published: 2021-11-10

Title

D-Link DIR-823G命令注入漏洞（CNVD-2021-85889）

Description

D-Link DIR-823G是一款AC1200M双频千兆无线路由器。 D-Link DIR-823G 1.0.2B05版中的HNAP1协议存在命令注入漏洞。攻击者可通过登录部分的Captcha字段中的shell元字符利用该漏洞执行任意Web脚本。

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-2020-25367

Impacted products

Name
D-Link DIR-823G 1.0.2B05

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-25367",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-25367"
    }
  },
  "description": "D-Link DIR-823G\u662f\u4e00\u6b3eAC1200M\u53cc\u9891\u5343\u5146\u65e0\u7ebf\u8def\u7531\u5668\u3002\n\nD-Link DIR-823G 1.0.2B05\u7248\u4e2d\u7684HNAP1\u534f\u8bae\u5b58\u5728\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u767b\u5f55\u90e8\u5206\u7684Captcha\u5b57\u6bb5\u4e2d\u7684shell\u5143\u5b57\u7b26\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4efb\u610fWeb\u811a\u672c\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-2021-85889",
  "openTime": "2021-11-10",
  "products": {
    "product": "D-Link DIR-823G 1.0.2B05"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-25367",
  "serverity": "\u9ad8",
  "submitTime": "2021-11-05",
  "title": "D-Link DIR-823G\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff08CNVD-2021-85889\uff09"
}

CVE-2020-25367 (GCVE-0-2020-25367)

Vulnerability from cvelistv5 – Published: 2021-11-04 09:58 – Updated: 2026-07-09 00:11

Summary

A command injection vulnerability was discovered in the HNAP1 protocol in D-Link DIR-823G devices with firmware V1.0.2B05. An attacker is able to execute arbitrary web scripts via shell metacharacters in the Captcha field to Login.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2325 records in the last 180 days details

References

2 references

URL	Tags
https://www.dlink.com/en/security-bulletin/
https://github.com/sek1th/iot/blob/master/dir823g_3.md

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date	Other

Nomenclature

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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.
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