CVE-2026-9621
9.2
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H
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
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Rockwell Automation | RSLinx Classic® | V4.50 and prior | affected |
Weaknesses
- CWE-190: CWE-190 Integer overflow or wraparound
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
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