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.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 01 Sep 2026 22:00:00 +0000

Type Values Removed Values Added
First Time appeared Rockwellautomation
Rockwellautomation rslinx Classic
Vendors & Products Rockwellautomation
Rockwellautomation rslinx Classic
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 01 Sep 2026 13:45:00 +0000

Type Values Removed Values Added
Description 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.
Title RSLinx Classic® - Multiple Vulnerabilities
First Time appeared Rockwell Automation
Rockwell Automation rslinx Classic
Weaknesses CWE-120
CPEs cpe:2.3:a:rockwell_automation:rslinx_classic_:v4.50_and_prior:*:*:*:*:*:*:*
Vendors & Products Rockwell Automation
Rockwell Automation rslinx Classic
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Rockwell

Published:

Updated: 2026-09-01T15:47:10.041Z

Reserved: 2026-05-26T17:18:51.074Z

Link: CVE-2026-9625

cve-icon Vulnrichment

Updated: 2026-09-01T15:47:07.442Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-01T14:17:49.767

Modified: 2026-09-01T20:50:01.960

Link: CVE-2026-9625

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-01T15:30:04Z

Weaknesses