CVE-2026-12659
Rockwell Automation Flex 5000® Adapter - Denial of Service
- State
- Published
- Severity
- 8.7 High
- Published
- Jul 14, 2026
- Updated
- Jul 14, 2026
- Reserved
- Jun 18, 2026
Description
A denial-of-service security issue exists in the affected products. The security issue stems from improper handling of exceptional conditions when processing crafted CIP packets sent to the adapter. A power cycle is required to recover the module and associated I/O.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | 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 | Rockwell |
Weaknesses
- CWE-415 Double free
Affected Products
| Product | Versions |
|---|---|
The FLEX 5000® EtherNet/IP AdapterRockwell Automation |
|
References
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