CVE-2025-9464

8.7 highEPSS 0.4%

High (8.7) in rockwellautomation armorstart lt firmware. EPSS 0.4% chance of exploitation in the next 30 days.

A security issue exists within ArmorStart® LT that can result in a denial-of-service condition. This vulnerability is triggered during fuzzing of multiple CIP classes, which causes the CIP port to become unresponsive.

Severity

CVSS 4.0

8.7 high

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

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 34% of CVEs (scores of 2026-10-31)
CWE: CWE-400
Published: 2026-01-20
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

rockwellautomation:armorstart_lt_firmware

References

https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1768.html

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