CVE-2017-6884
Published 2017-04-06 · Updated 2026-08-04 · Source cve@mitre.org
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.
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA Known-Exploited Vulnerability
Product: Zyxel — EMG2926 Routers
Name: Zyxel EMG2926 Routers Command Injection Vulnerability
Date added: 2023-09-18 · Due: 2023-10-09
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

