PT-2026-3559 · Cip · Cip

Published 2026-01-20 · Updated 2026-01-20 · CVE-2025-11743

Positive Technologies (AI Summary)

CVSS v4.0

7.1

High

Base vector

AV:A/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 versions prior to 2.3

Description A denial-of-service issue exists due to the processing of a malformed CIP forward open message. This can lead to a major, nonrecoverable fault requiring a system restart to restore functionality.

Recommendations Update to version 2.3 or later.

Fix

DoS

Weakness Enumeration

CWE-1284

Related Identifiers

BDU:2026-02117

CVE-2025-11743

Affected Products

Cip

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2025-11743 · Security Note
• https://bdu.fstec.ru/vul/2026-02117 · Security Note
• https://t.me/CVEtracker/42610 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2013657084374454641 · Twitter Post
• https://twitter.com/CVEnew/status/2013614349890289782 · Twitter Post
• https://rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1770.html · Note
• https://t.me/cveNotify/149269 · Telegram Post