CVE-2026-9637

CVE Enrichment

CVSS: 8.7 HIGH
EPSS: 0.43%
EPSS Percentile: 35.99%
CISA KEV: Not listed

Description

A denial-of-service security issue exists in the affected Logix platforms listed in the table above. The security issue stems from improper validation of input length during CIP message processing. This can result in a major nonrecoverable fault (MNRF), requiring a power cycle to recover

Technical Details

CVSS Version: 4.0
CNA / NVD Source: [email protected]
Published: 01-Sep-2026 21:17
Last Modified: 02-Sep-2026 03:50
EPSS Date: 2026-10-22
CWE: CWE-119

CVSS Vector


            CVSS:4.0                            AV:N /
                            AC:L /
                            AT:N /
                            PR:N /
                            UI:N /
                            VC:N /
                            VI:N /
                            VA:H /
                            SC:N /
                            SI:N /
                            SA:N /
                            E:X /
                            CR:X /
                            IR:X /
                            AR:X /
                            MAV:X /
                            MAC:X /
                            MAT:X /
                            MPR:X /
                            MUI:X /
                            MVC:X /
                            MVI:X /
                            MVA:X /
                            MSC:X /
                            MSI:X /
                            MSA:X /
                            S:X /
                            AU:X /
                            R:X /
                            V:X /
                            RE:X /
                            U:X

References

[email protected]

Last enrichment sync: 02-Nov-2026 06:07
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (1)

Rockwell’s advisory for CVE-2026-9637, a high-severity DoS flaw in ControlLogix and CompactLogix controllers, flags the vulnerability as exploited. Rockwell Automation Patches More Than a Dozen Product Vulnerabilities

Vendors (1)

Products (10)

Industries (1)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.