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Vulnerabilities & PatchesEmerging1 sourceSep 1, 2026 · 12:00via CISA Alerts

Rockwell Automation RSLinx Classic

Brief

View CSAF

Summary

Successful exploitation of these vulnerabilities could allow an attacker to cause a denial-of-service condition on the affected product. The following versions of Rockwell Automation RSLinx Classic are affected: RSLinx Classic =4. 50 (CVE-2026-9621, CVE-2026-9622, CVE-2026-9624, CVE-2026-9625) CVSS Vendor Equipment Vulnerabilities

v3 8.6 Rockwell Automation Rockwell Automation RSLinx Classic Integer Overflow or Wraparound, Integer Underflow (Wrap or Wraparound), Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Background

Critical Infrastructure Sectors: Critical Manufacturing

Countries/Areas Deployed: Worldwide

Company Headquarters Location: United States

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