CVE-2019-19276: Siemens SIMATIC HMI Comfort Panels Firmware

Medium severity, CVSS 5.3. EPSS: 1% chance of exploitation in the next 30 days.

A vulnerability has been identified in SIMATIC HMI Comfort Panels 1st Generation (incl. SIPLUS variants) (All versions < V16 Update 4), SIMATIC HMI KTP Mobile Panels (All versions < V16 Update 4). Specially crafted packets sent to port 161/udp can cause the SNMP service of affected devices to crash. A manual restart of the device is required to resume operation of the service.

Affected products

• Siemens SIMATIC HMI Comfort Panels Firmware: version 16 only
• Siemens SIMATIC HMI Ktp Mobile Panels Firmware: version 16 only

Published 2021-05-12. Last modified 2026-06-17.