CVE-2026-9637CWE-119

CVE-2026-9637

published September 1, 2026

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

A denial-of-service security issue exists in the affected Logix platforms listed in the table above. The security issue stems from improper validation of input length during CIP message processing. This can result in a major nonrecoverable fault (MNRF), requiring a power cycle to recover

The record
Technical detail
CVSS
8.7 · NONE
CVSS v4.0
8.7 · 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-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer
Published
2026-09-01T18:17Z
References (1)
EPSS history
Timeline
  • 03 SEP 03:32Z
    EPSS moved — → 0%
    epss
  • 01 SEP 13:28Z
    CompactLogix® 5380 / ControlLogix® 5580 - Multiple Vulnerabilities
    cvelistv5