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CVE-2026-9634— Redundancy Module Configuration Tool - Multiple Vulnerabilities

Quick assessment

Affected
Rockwell Automation Redundancy Module Configuration Tool
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.

Redundancy Module Configuration Tool 中存在一个安全漏洞。RMConfigTool.exe 可执行文件会搜索系统路径下的目录以寻找所需的 DLL，而这些目录中的一个或多个由于默认权限配置不当，可能对标准（非管理员）用户具有写入权限。如果本地攻击者将恶意 DLL 放置在这样的目录中，随后由管理员运行该工具，该恶意 DLL 将被加载到提升权限的进程中，并以 Administrator/SYSTEM 权限执行。

CVSS 7.0 · High
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I. Basic Information for CVE-2026-9634

Vulnerability Information
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Vulnerability Title
Redundancy Module Configuration Tool - Multiple Vulnerabilities
Source: CVE Program / CVE List V5
Vulnerability Description
A security issue exists within the Redundancy Module Configuration Tool. The RMConfigTool.exe binary searches directories in the system path for a required DLL, and one or more of these directories may be writable by standard (non-administrator) users due to incorrect default permissions. If a local attacker places a malicious DLL in such a directory and an administrator subsequently runs the tool, the malicious DLL is loaded into the elevated process and executes with Administrator/SYSTEM privileges.
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
缺省权限不正确
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Rockwell Automation Redundancy Module Configuration Tool 10.00.00 -

II. Public POCs for CVE-2026-9634

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III. Intelligence Information for CVE-2026-9634

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Vendor Advisories for CVE-2026-9634 (1)

Same Patch Batch · Rockwell Automation · 2026-09-01 · 14 CVEs total

CVE-2026-9621 9.2 CRITICAL RSLinx Classic® - Multiple Vulnerabilities
CVE-2026-9625 8.7 HIGH RSLinx Classic® - Multiple Vulnerabilities
CVE-2026-9624 8.7 HIGH RSLinx Classic® - Multiple Vulnerabilities
CVE-2026-9622 8.7 HIGH RSLinx Classic® - Multiple Vulnerabilities
CVE-2026-9637 8.7 HIGH CompactLogix® 5380 / ControlLogix® 5580 - Multiple Vulnerabilities
CVE-2026-84235 8.7 HIGH Rockwell Automation 1756-ENBT Denial of Service Vulnerability
CVE-2026-19472 8.7 HIGH Rockwell Automation ArmorStart® LT Denial Of Service
CVE-2025-12768 8.6 HIGH FactoryTalk® Historian Machine Edition - Out-of-Bounds Write Vulnerability
CVE-2026-16675 8.5 HIGH Rockwell Automation FactoryTalk® Activation Manager - Privilege Escalation
CVE-2026-9633 7.0 HIGH Redundancy Module Configuration Tool - Multiple Vulnerabilities
CVE-2026-12663 7.0 HIGH ControlFLASH ® – Improper Access Control
CVE-2026-19471 6.9 MEDIUM Rockwell Automation ArmorStart® LT Stored Cross-site scripting
CVE-2026-12661 4.8 MEDIUM FactoryTalk® Historian Machine Edition - Out-of-Bounds Write Vulnerability

IV. Related Vulnerabilities

Same product: Redundancy Module Configuration Tool
Same vendor: Rockwell Automation
Same weakness: CWE-276

V. Comments for CVE-2026-9634

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