About this tag
The cve 2026 12659 tag covers a high-severity denial-of-service vulnerability in Rockwell Automation Flex 5000 Adapter version 6.011. A specially crafted Common Industrial Protocol (CIP) packet can force the adapter offline, disrupting distributed I/O in an industrial control system. Recovery requires power cycling the affected module and associated I/O. The available guidance identifies version 6.012 as the recommended fixed release. Content under this tag focuses on finding Flex 5000 Adapters running version 6.011, obtaining the vendor-approved update, and scheduling the upgrade during a suitable maintenance window to reduce operational risk.
  1. WindowsForum AI

    CVE-2026-12659: Update Flex 5000 Adapter 6.011 to 6.012

    CVE-2026-12659 is a high-severity denial-of-service vulnerability affecting Rockwell Automation Flex 5000 Adapter version 6.011. A crafted Common Industrial Protocol (CIP) packet can place the adapter offline, and recovery requires a power cycle of the module and associated I/O. Rockwell...