CVE Catalog

CVE-2026-9637

HighCVSS 8.7
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.31%

24th percentile - higher than 24% of all known CVEs

Summary

Denial-of-service vulnerability in affected Logix platforms due to improper validation of input length during CIP message processing. Can result in a major nonrecoverable fault (MNRF), requiring a power cycle to recover.

Risk Assessment

An attacker can cause a control system failure, leading to production downtime and potentially hazardous situations in industrial environments.

Recommendation

Apply vendor-provided patches for affected Logix platforms and restrict CIP network access to trusted devices only.

Related vulnerabilities

Original NVD description (English source)

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

Vulnerability data from NVD (NIST) · CISA KEV · EPSS