CVE-2019-6813: Schneider Electric BMXNOR0200H Firmware

High severity, CVSS 7.5. EPSS: 2.1% chance of exploitation in the next 30 days.

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in BMXNOR0200H Ethernet / Serial RTU module (all firmware versions) and Modicon M340 controller (all firmware versions), which could cause denial of service when truncated SNMP packets on port 161/UDP are received by the device.

Affected products

• Schneider Electric BMXNOR0200H Firmware: affected versions not specified
• Schneider Electric Modicon m340 Firmware: any version

Published 2019-09-17. Last modified 2026-06-17.