CVE-2026-9624

RSLinx Classic® - Multiple Vulnerabilities

HIGH

8.7

CVSS Score

Published: September 1, 2026 at 01:35 PM UTC

Updated: September 1, 2026 at 09:01 PM UTC

1 product affected across 1 vendorRSLinx Classic®

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Severity

HIGH8.7

Exploit prediction

EPSS 0.4%

SSVC

No known exploit

Description

A denial-of-service security issue exists within RSLinx® Classic. A crafted CIP packet can cause the RSLinx® Classic service to crash due to insufficient data length validation, requiring a restart of the service to recover.

Affected

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

RSLinx Classic®· Rockwell Automation

60%

v ≤ 4.50

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.SD1794.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-191

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