PT-2026-3567 · Unknown · Armorstart St

Published 2026-01-20 · Updated 2026-02-16 · CVE-2025-9464

Positive Technologies (AI Summary)

CVSS v4.0

8.7

High

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions ArmorStart® LT (affected versions not specified)

Description A security issue exists that can lead to a denial-of-service condition. The issue is triggered during fuzzing of multiple Common Industrial Protocol (CIP) classes, causing the CIP port to become unresponsive. CIP is a widely used industrial protocol for communication between devices in automation systems. Fuzzing is a testing technique that involves providing invalid, unexpected, or random data as input to a program to identify vulnerabilities.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

BDU:2026-00874

CVE-2025-9464

Affected Products

Armorstart St

References · 8

• https://osv.dev/vulnerability/CVE-2025-9464 · Vendor Advisory
• https://rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1768.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-9464 · Security Note
• https://bdu.fstec.ru/vul/2026-00874 · Security Note
• https://twitter.com/VulmonFeeds/status/2013628924220105170 · Twitter Post
• https://t.me/CVEtracker/42621 · Telegram Post
• https://twitter.com/DavidMarquet19/status/2023306504103772376 · Twitter Post
• https://twitter.com/CVEnew/status/2013614352067113402 · Twitter Post