PT-2026-84231 · Rockwell Automation · Rslinx Classic

CVE-2026-9622

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Published

2026-09-01

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Updated

2026-09-01

CVSS v4.0

8.7

High

VectorAV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Name of the Vulnerable Software and Affected Versions RSLinx® Classic (affected versions not specified)
Description A denial-of-service issue exists where a specially crafted CIP (Common Industrial Protocol) packet targeting the Forward Close service can cause the RSLinx® Classic service to crash. Recovery requires a restart of the service.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Integer Underflow

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Weakness Enumeration

Related Identifiers

CVE-2026-9622

Affected Products

Rslinx Classic