CVE-2019-6811

HIGH
7.5
CVSS Score
Published: September 17, 2019 at 07:55 PM UTC
Updated: June 17, 2026 at 02:39 AM UTC
4 products affected across 1 vendorModicon Quantum 140NOE77111 FirmwareModicon Quantum 140NOE77101 FirmwareModicon Quantum 140NOE77101

Using Modicon Quantum 140 NOE771x1 by Schneider Electric SE?

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Severity
HIGH7.5
Exploit prediction
EPSS 1%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 6.9
schneider-electric-modicon-quantum-140noe77101 (same device)
v ≤ 6.9
schneider-electric-modicon-quantum-140noe77111 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-754

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