CVE-2017-6884

8.8 HIGH CISA KEV - Actively Exploited
Published: April 06, 2017 Modified: October 22, 2025

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://www.exploit-db.com/exploits/41782/
Source: cve@mitre.org
Exploit Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/41782/
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory VDB Entry

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.8 / 10.0
EPSS (Exploit Probability)
91.1%
100th percentile
Exploitation Status
Actively Exploited
Remediation due: 2023-10-09

Weaknesses (CWE)

Affected Vendors

zyxel