CVE-2013-5667: Thecus n8800 NAS Server

High severity, CVSS 10.0. EPSS: 4.2% chance of exploitation in the next 30 days.

The Thecus NAS server N8800 with firmware 5.03.01 allows remote attackers to execute arbitrary commands via a get_userid action with shell metacharacters in the username parameter.

Affected products

  • Thecus n8800 NAS Server
  • Thecus n8800 NAS Server Firmware: version 5.03.01 only

Published 2014-01-24. Last modified 2026-06-16.