Rockwell Automation RSLinx Classic® vulnerabilities
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Published CVEs affecting Rockwell Automation RSLinx Classic®: 4 record(s), with affected versions and fixes.
CVE-2026-9625
High · 8.7
CWE-120 Sep 1, 2026
RSLinx Classic® - Multiple Vulnerabilities
A denial-of-service security issue exists within RSLinx® Classic. A crafted CIP packet with an oversized embedded message request can cause the RSLinx® Classic service to crash, requiring a restart of the service to recover.
CVE-2026-9624
High · 8.7
CWE-191 Sep 1, 2026
RSLinx Classic® - Multiple Vulnerabilities
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.
CVE-2026-9622
High · 8.7
CWE-191 Sep 1, 2026
RSLinx Classic® - Multiple Vulnerabilities
A denial-of-service security issue exists within RSLinx® Classic. A crafted CIP packet targeting the Forward Close service can cause the RSLinx® Classic service to crash, requiring a restart of the service to recover.
CVE-2026-9621
Critical · 9.2
CWE-190 Sep 1, 2026
RSLinx Classic® - Multiple Vulnerabilities
A denial-of-service security issue exists within RSLinx® Classic. The security issue stems from improper handling of a malformed packet. A crafted CIP packet can cause the RSLinx® Classic service to crash, requiring a restart of the service to recover