CVE-2026-9622
8.7
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
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Rockwell Automation | RSLinx Classic® | V4.50 and prior | affected |
Weaknesses
- CWE-191: CWE-191 Integer underflow (wrap or wraparound)
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
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