CVE-2014-8479: Siemens Scalance X-300 Series Firmware

Medium severity, CVSS 6.8. EPSS: 1.5% chance of exploitation in the next 30 days.

The FTP server on Siemens SCALANCE X-300 switches with firmware before 4.0 and SCALANCE X 408 switches with firmware before 4.0 allows remote authenticated users to cause a denial of service (reboot) via crafted FTP packets.

Affected products

• Siemens Scalance X-300 Series Firmware: up to and including 3.9.3
• Siemens Scalance X-408 Firmware: up to and including 3.9.3

Published 2015-01-21. Last modified 2026-06-17.