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4 vulnerabilities found for RSLinx Classic® by Rockwell Automation
CVE-2026-9625 (GCVE-0-2026-9625)
Vulnerability from cvelistv5
Published
2026-09-01 13:36
Modified
2026-09-01 15:47
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Summary
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.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Rockwell Automation | RSLinx Classic® |
Version: V4.50 and prior |
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CVE-2026-9624 (GCVE-0-2026-9624)
Vulnerability from cvelistv5
Published
2026-09-01 13:35
Modified
2026-09-01 15:46
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-191 - Integer underflow (wrap or wraparound)
Summary
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.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Rockwell Automation | RSLinx Classic® |
Version: V4.50 and prior |
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CVE-2026-9622 (GCVE-0-2026-9622)
Vulnerability from cvelistv5
Published
2026-09-01 13:34
Modified
2026-09-01 15:46
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-191 - Integer underflow (wrap or wraparound)
Summary
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.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Rockwell Automation | RSLinx Classic® |
Version: V4.50 and prior |
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CVE-2026-9621 (GCVE-0-2026-9621)
Vulnerability from cvelistv5
Published
2026-09-01 13:33
Modified
2026-09-01 15:46
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-190 - Integer overflow or wraparound
Summary
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
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Rockwell Automation | RSLinx Classic® |
Version: V4.50 and prior |
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