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CVE-2026-11317

Rockwell Automation Logix 5370 and 5570 Controllers Vulnerable To Denial of Service Via CIP

HIGH
8.7
CVSS Score
Published: June 16, 2026 at 01:10 PM UTC
Updated: October 25, 2026 at 11:10 PM UTC
3 products affected across 2 vendorsCompactlogixControllogixCompactLogix, ControlLogix

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Severity
HIGH8.7
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

A denial of service security issue exists in the affected product. The security issue stems from a fault occurring when a crafted CIP message is sent. Devices with less memory are more likely to be affected. This can result in a major nonrecoverable fault (MNRF). A program download is required to recover.

Affected

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

Compactlogix· Rockwell Automation
60%
v < 34.016v < 35.015v < 36.012
Affected range stops below 34.016, so it looks safe — our inference, not a vendor statement
Affected range stops below 35.015, so it looks safe — our inference, not a vendor statement
Affected range stops below 36.012, so it looks safe — our inference, not a vendor statement
Controllogix· Rockwell Automation
60%
v < 34.016v < 35.015v < 36.012
Affected range stops below 34.016, so it looks safe — our inference, not a vendor statement
Affected range stops below 35.015, so it looks safe — our inference, not a vendor statement
Affected range stops below 36.012, so it looks safe — our inference, not a vendor statement
CompactLogix, ControlLogix· Rockwell Automation
44%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1772.html

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.7HIGHRockwell
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-404

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