CVE-2014-5410 - CVE House
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Status published High CVE-2014-5410

Rockwell Automation Micrologix 1400 Improper Input Validation

Vulnerability Description

The DNP3 feature on Rockwell Automation Allen-Bradley MicroLogix 1400 1766-Lxxxxx A FRN controllers 7 and earlier and 1400 1766-Lxxxxx B FRN controllers before 15.001 allows remote attackers to cause a denial of service (process disruption) via malformed packets over (1) an Ethernet network or (2) a serial line.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Matthew Luallen of CYBATI

References

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Affected Vendor

Rockwell Automation

View all reports →

Affected Software

Allen-Bradley MicroLogix 1400
Vulnerable Versions:
0, Series B FRN 15.001 or higher

Timeline

Official Publish: October 3rd, 2014
Last Modified: November 4th, 2025
Added to House: July 19th, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-20

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1059 Command and Scripting Interpreter
Execution
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1213 Data from Information Repositories
Collection
T1565.002 Stored Data Manipulation
Impact