Vulnerabilities

CVSS

8.7 High

Vector

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

Risk score

69.6

Published

2026-07-14

Status

Published

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.

Weaknesses

CWE-415

Coverage 1

vulnerability

Rockwell Automation Flex 5000 Adapter

Rockwell Automation has released a security advisory regarding a denial-of-service vulnerability in its Flex 5000 Adapter software. Exploitation could lead to a denial-of-service condition, and Rockwell recommends upgrad…

CISA Advisories · Jul 16, 2026 High

CVE-2026-12659vulnerabilitydenial-of-servicecontrol systems

All articles mentioning it

Advisories and references

• rockwellautomation.com/en-us/trust-center/security-advisories/adviso...