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CVE-2017-6884

HighPublished

Zyxel EMG2926 Routers Command Injection Vulnerability

Published: Apr 6, 2017
Updated: Aug 4, 2026
Assigning CNA: mitre
Evidence observed: Apr 2, 2017

Primary CVSS

8.8/ 10High

nvd · CVSS 3.1

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

EPSS probability estimate

34.4%

Moderate · next 30 days

Percentile: 98.4%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

CISA Known Exploited

This CVE appears in the CISA Known Exploited Vulnerabilities catalog.

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.

Sources

Zyxel_ EMG2926 < V1.00(AAQT.4)b8 - OS Command InjectionExploit
trevor Hough · hardware · Apr 2, 2017

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