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Fencer Intel
high 7.1

CVE-2014-5410 json

Rockwell Automation Micrologix 1400 Improper Input Validation

published 12y ago modified 4mo ago also EUVD-2014-5298

cvss
7.1
version 2.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
4.2%
EPSS 4.2% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

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.

Patch / fix

  • Rockwell Automation Allen-Bradley MicroLogix 1400 Series B FRN 15.001 or higher

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-14-254-02 updated cvss 7.1

Rockwell Micrologix 1400 DNP3 DOS Vulnerability

  • Rockwell Automation 1766-Lxxxxx Series A <=FRN_7 Rockwell Automation 1766-Lxxxxx Series B <=FRN_15.000
    affected: mitigation

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

4.17% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 2.0 7.1 AV:N/AC:M/Au:N/C:N/I:N/A:C
NVD 2.0 7.1 AV:N/AC:M/Au:N/C:N/I:N/A:C

Affected products

  • Rockwell Automation Allen-Bradley MicroLogix 1400

Classification

Weakness
  • CWE-20 Improper Input Validation
  • CWE-399 Resource Management Errors

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.