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CVE-2026-8314— Rockwell Automation Arena® - Memory Corruption Vulnerability

Quick assessment

Affected
Rockwell Automation Arena® Simulation
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 Arena® Simulation是美国Rockwell Automation基金会的一个自动化控制模拟软件。 Rockwell Automation Arena® Simulation V17.00.00及之前版本存在缓冲区错误漏洞，该漏洞源于siman.exe（Siman）组件存在内存损坏，由于对用户提供的数据验证不当，可能导致越界写入，攻击者通过说服用户打开恶意文件，可在当前进程环境中执行任意代码。

AI Predicted 8.8 Difficulty: Easy EPSS 0.23% · P14

Affected Version Matrix 1

VendorProduct Version RangeStatus
Rockwell Automation Arena® Simulation V17.00.00 and prior affected
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I. Basic Information for CVE-2026-8314

Vulnerability Information
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Vulnerability Title
Rockwell Automation Arena® - Memory Corruption Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A security issue exists within Arena® Simulation due to a memory corruption vulnerability in the siman.exe (Siman) component. The vulnerability stems from improper validation of user-supplied data, which can result in an out-of-bounds write. An attacker could leverage this vulnerability to execute arbitrary code in the context of the current process by convincing a user to open a malicious file.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Rockwell Automation Arena® Simulation 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rockwell Automation Arena® Simulation是美国Rockwell Automation基金会的一个自动化控制模拟软件。 Rockwell Automation Arena® Simulation V17.00.00及之前版本存在缓冲区错误漏洞，该漏洞源于siman.exe（Siman）组件存在内存损坏，由于对用户提供的数据验证不当，可能导致越界写入，攻击者通过说服用户打开恶意文件，可在当前进程环境中执行任意代码。
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 Arena® Simulation V17.00.00 and prior -

II. Public POCs for CVE-2026-8314

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III. Intelligence Information for CVE-2026-8314

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Vendor Advisories for CVE-2026-8314 (1)

Same Patch Batch · Rockwell Automation · 2026-07-14 · 17 CVEs total

CVE-2025-12011 9.2 CRITICAL CompactLogix ®, ControlLogix ®, Compact GuardLogix ® and GuardLogix ® Buffer Overflow
CVE-2026-10573 6.3 MEDIUM 1734 POINT I/OTM - Denial of Service via Malformed Inputs on CIP Object
CVE-2026-8085 Rockwell Automation Arena® - Memory Corruption Vulnerability
CVE-2026-8313 Rockwell Automation Arena® - Memory Corruption Vulnerability
CVE-2026-9653 1756-EN2, 1756-EN3, and 1756-ENBT - Denial of Service via CIP Connection ID
CVE-2026-9140 1718-AENTR/1719-AENTR - Denial of Service
CVE-2026-10714 Rockwell Automation FactoryTalk® Services Platform FTSP - Weak Authentication via JWT Vali
CVE-2025-12012 CompactLogix ®, ControlLogix ®, Compact GuardLogix ® and GuardLogix ® Buffer Overflow
CVE-2026-11917 ThinManager® - Path Traversal via API
CVE-2026-9108 Studio 5000 Logix Designer® – Multiple Vulnerabilities
CVE-2026-9128 Studio 5000 Logix Designer® – Multiple Vulnerabilities
CVE-2026-9636 Rockwell Automation CompactLogix® 5380 ControlLogix® 5580 / 1756-EN4 Communications Module
CVE-2026-9292 Rockwell Automation FactoryTalk® DataMosaix™ Private Cloud - Stored Cross-Site Scripting
CVE-2026-9127 Studio 5000 Logix Designer® – Multiple Vulnerabilities
CVE-2026-12659 Rockwell Automation Flex 5000® Adapter - Denial of Service
CVE-2025-11698 CompactLogix ®, ControlLogix ®, Compact GuardLogix ® and GuardLogix ® Buffer Overflow

IV. Related Vulnerabilities

Same product: Arena® Simulation
Same vendor: Rockwell Automation
Same weakness: CWE-787

V. Comments for CVE-2026-8314

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