High severityNVD Advisory· Published Jul 14, 2026· Updated Jul 14, 2026
CVE-2026-12659
CVE-2026-12659
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.
Affected products
1Patches
Vulnerability mechanics
References
1News mentions
2- Rockwell Automation: 11 Vulnerabilities Disclosed, Including Critical Flaw in EtherNet/IP AdapterVypr Intelligence · Jul 16, 2026
- Rockwell Automation Flex 5000 AdapterCISA ICS Advisories