VULNERABILITY INTELLIGENCE

CVE-2019-6811

CVSS score7.5 HIGH
EPSS probability1.31%
CISA KEVNot currently listed
Published2019-09-17
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

An Improper Check for Unusual or Exceptional Conditions (CWE-754) vulnerability exists in Modicon Quantum 140 NOE771x1 version 6.9 and earlier, which could cause denial of service when the module receives an IP fragmented packet with a length greater than 65535 bytes. The module then requires a power cycle to recover.

Weakness classification

  • CWE-754: Improper Check for Unusual or Exceptional Conditions

Primary references