Resource exhaustion in Rockwell Automation Armorstart® Lt
CVE-2025-9464
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.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (30.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.000
Affected products
- Rockwell Automation Armorstart® Lt — versions V2.002 and below
- Rockwellautomation Armorstart Lt
- Rockwellautomation Armorstart Lt Firmware
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2025-9464?
- CVE-2025-9464 is a high-severity vulnerability in Rockwell Automation Armorstart® Lt, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-01-20.
- How severe is CVE-2025-9464?
- High severity. CVSS v3 base score is 7.5 out of 10.