CVE-2016-8367: Schneider Electric Magelis Gto Advanced Optimum Panel Firmware

Medium severity, CVSS 5.3. EPSS: 4.3% chance of exploitation in the next 30 days.

An issue was discovered in Schneider Electric Magelis HMI Magelis GTO Advanced Optimum Panels, all versions, Magelis GTU Universal Panel, all versions, Magelis STO5xx and STU Small panels, all versions, Magelis XBT GH Advanced Hand-held Panels, all versions, Magelis XBT GK Advanced Touchscreen Panels with Keyboard, all versions, Magelis XBT GT Advanced Touchscreen Panels, all versions, and Magelis XBT GTW Advanced Open Touchscreen Panels (Windows XPe). An attacker can open multiple connections to a targeted web server and keep connections open preventing new connections from being made, rendering the web server unavailable during an attack.

Affected products

• Schneider Electric Magelis Gto Advanced Optimum Panel Firmware: affected versions not specified
• Schneider Electric Magelis Gtu Universal Panel Firmware: affected versions not specified
• Schneider Electric Magelis STO5 Small Panel Firmware: affected versions not specified
• Schneider Electric Magelis Stu Small Panel Firmware: affected versions not specified
• Schneider Electric Magelis Xbt Gh Advanced Hand-Held Panel Firmware: affected versions not specified
• Schneider Electric Magelis Xbt Gk Advanced Touchscreen Panel With Keyboard Firmware: affected versions not specified
• Schneider Electric Magelis Xbt Gt Advanced Touchscreen Panel Firmware: affected versions not specified
• Schneider Electric Magelis Xbt Gtw Advanced Open Touchscreen Panel Firmware: affected versions not specified

Published 2017-02-13. Last modified 2026-06-17.