CVE-2026-9625

RSLinx Classic® - Multiple Vulnerabilities

State
Published
Severity
8.7 High
Published
Sep 1, 2026
Updated
Sep 1, 2026
Reserved
May 26, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
4.08.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NRockwell

Weaknesses

  • CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Affected Products

ProductVersions
RSLinx Classic®Rockwell Automation
  • V4.50 and priorAffected

References

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