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CVE-2025-9042— Rockwell Automation FLEX 5000 I/O - Module Fault

Quick assessment

Affected
Rockwell Automation FLEX 5000 I/O
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Rockwell Automation FLEX 5000是美国罗克韦尔（Rockwell Automation）公司的一款高速计数器模组。 Rockwell Automation FLEX 5000存在安全漏洞，该漏洞源于对CIP Class 32请求的错误处理导致模块进入故障状态。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.32% · P23

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-9042

Vulnerability Information
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Vulnerability Title
Rockwell Automation FLEX 5000 I/O - Module Fault
Source: CVE Program / CVE List V5
Vulnerability Description
A security issue exists due to improper handling of CIP Class 32’s request when a module is inhibited on the 5094-IY8 device. It causes the module to enter a fault state with the Module LED flashing red. Upon un-inhibiting, the module returns a connection fault (Code 16#0010), and the module cannot recover without a power cycle.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1287
Source: CVE Program / CVE List V5
Vulnerability Title
Rockwell Automation FLEX 5000 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rockwell Automation FLEX 5000是美国罗克韦尔（Rockwell Automation）公司的一款高速计数器模组。 Rockwell Automation FLEX 5000存在安全漏洞，该漏洞源于对CIP Class 32请求的错误处理导致模块进入故障状态。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Rockwell Automation FLEX 5000 I/O Version 2.011 or below -

II. Public POCs for CVE-2025-9042

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III. Intelligence Information for CVE-2025-9042

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Vendor Advisories for CVE-2025-9042 (1)

Same Patch Batch · Rockwell Automation · 2025-08-14 · 9 CVEs total

CVE-2025-7353 Rockwell Automation ControlLogix® Ethernet Remote Code Execution Vulnerability
CVE-2025-7774 Rockwell Automation ArmorBlock 5000 I/O – Web Server Vulnerabilities
CVE-2025-9036 Rockwell Automation FactoryTalk® Action Manager v1.0.0 Runtime Vulnerability
CVE-2025-7973 Rockwell Automation FactoryTalk® ViewPoint Privilege Escalation Vulnerability
CVE-2025-7773 Rockwell Automation ArmorBlock 5000 I/O – Web Server Vulnerabilities
CVE-2025-9041 Rockwell Automation FLEX 5000 I/O - Module Fault
CVE-2025-7972 Rockwell Automation FactoryTalk® Linx Network Browser Security Bypass Vulnerability
CVE-2025-7971 Studio 5000 Logix Designer® – Arbitrary Code Execution Vulnerability

IV. Related Vulnerabilities

Same product: FLEX 5000 I/O
Same vendor: Rockwell Automation
Same weakness: CWE-1287

V. Comments for CVE-2025-9042

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