PT-2026-3569 · Unknown · Armorstart St

Published 2026-01-20 · Updated 2026-02-16 · CVE-2025-9466

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 can lead to a denial-of-service condition. During the execution of the Achilles EtherNet/IP and CIP grammar tests, the device unexpectedly reboots, causing the Link State Monitor to be unavailable for several seconds.

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:2026-00873

CVE-2025-9466

Affected Products

Armorstart St

References · 8

• https://osv.dev/vulnerability/CVE-2025-9466 · Vendor Advisory
• https://rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1768.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-00873 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-9466 · Security Note
• https://t.me/CVEtracker/42623 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2013623804363264257 · Twitter Post
• https://twitter.com/DavidMarquet19/status/2023306504103772376 · Twitter Post
• https://twitter.com/CVEnew/status/2013614348913066182 · Twitter Post