CVE-2017-6884

HighCVSS 8.8/10Known exploited (CISA KEV)Last modified Oct 1, 2026

Description

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-78

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://www.exploit-db.com/exploits/41782/Exploit, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/41782/Exploit, Third Party Advisory, VDB Entry
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-6884US Government Resource

Timeline

Published: Apr 6, 2017
Last modified: Oct 1, 2026
Added to CISA KEV: Sep 18, 2023
NVD status: Analyzed

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