CVE-2026-12659CWE-415

Rockwell Automation Flex 5000® Adapter - Denial of Service

High · published July 14, 2026

CVSS v4.0
8.7
EPSS
0%
Percentile
36.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
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
EPSS
0.00428 · 36.0th percentile
Weakness
CWE-415 · Double Free
Published
2026-07-14T15:14Z
EPSS history
Timeline
  • 14 JUL 15:14Z
    Rockwell Automation Flex 5000® Adapter - Denial of Service
    cvelistv5