Vulnerability-Lookup

CNVD-2017-04997

Vulnerability from cnvd - Published: 2017-04-21

Title

ZyXEL EMG2926路由器远程命令执行漏洞

Description

ZyXEL EMG2926是一款合勤科技生产的路由器。 ZyXEL EMG2926路由器存在未经身份验证的远程命令执行漏洞。由于nslookup函数未进行充分过滤，允许未经身份验证的攻击者远程执行任意代码。

Severity

高

Formal description

厂商尚未提供漏洞修复方案，请及时关注更新： http://www.zyxel.com

Reference

https://cxsecurity.com/issue/WLB-2017040006

Impacted products

Name
ZyXEL EMG2926 V1.00(AAQT.4)b8

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-6884",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6884"
    }
  },
  "description": "ZyXEL EMG2926\u662f\u4e00\u6b3e\u5408\u52e4\u79d1\u6280\u751f\u4ea7\u7684\u8def\u7531\u5668\u3002\r\n\r\nZyXEL EMG2926\u8def\u7531\u5668\u5b58\u5728\u672a\u7ecf\u8eab\u4efd\u9a8c\u8bc1\u7684\u8fdc\u7a0b\u547d\u4ee4\u6267\u884c\u6f0f\u6d1e\u3002\u7531\u4e8enslookup\u51fd\u6570\u672a\u8fdb\u884c\u5145\u5206\u8fc7\u6ee4\uff0c\u5141\u8bb8\u672a\u7ecf\u8eab\u4efd\u9a8c\u8bc1\u7684\u653b\u51fb\u8005\u8fdc\u7a0b\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "discovererName": "trevor Hough",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttp://www.zyxel.com",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-04997",
  "openTime": "2017-04-21",
  "products": {
    "product": "ZyXEL   EMG2926 V1.00(AAQT.4)b8"
  },
  "referenceLink": "https://cxsecurity.com/issue/WLB-2017040006",
  "serverity": "\u9ad8",
  "submitTime": "2017-04-06",
  "title": "ZyXEL EMG2926\u8def\u7531\u5668\u8fdc\u7a0b\u547d\u4ee4\u6267\u884c\u6f0f\u6d1e"
}

CVE-2017-6884 (GCVE-0-2017-6884)

Vulnerability from cvelistv5 – Published: 2017-04-06 17:00 – Updated: 2026-08-04 03:55

Summary

A command injection vulnerability was discovered on the Zyxel EMG2926 home router with firmware V1.00(AAQT.4)b8. The vulnerability is located in the diagnostic tools, specifically the nslookup function. A malicious user may exploit numerous vectors to execute arbitrary commands on the router, such as the ping_ip parameter to the expert/maintenance/diagnostic/nslookup URI.

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: active Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2023-09-15 00:00 UTC

CWE

n/a
CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Assigner

mitre mitre root

References

2 references

URL	Tags
https://www.exploit-db.com/exploits/41782/	exploitx_refsource_EXPLOIT-DB
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Date Public

2017-04-06 00:00

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.
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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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CNVD-2017-04997

CVE-2017-6884 (GCVE-0-2017-6884)

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