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CVE-2025-12012— CompactLogix ®, ControlLogix ®, Compact GuardLogix ® and GuardLogix ® Buffer Overflow

Quick assessment

Affected
Rockwell Automation CompactLogix® 5370 Compact GuardLogix® 5370 ControlLogix® 5570 GuardLogix® 5570
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 CompactLogix 5370是美国Rockwell Automation公司的一款可编程逻辑控制器。 Rockwell Automation CompactLogix 5370存在缓冲区错误漏洞，该漏洞源于缓冲区错误，可能导致恶意用户向控制器写入无效文件数据，造成设备进入无法恢复的严重故障。以下版本受到影响：V34.012及之前版本和V35.011及之前版本。

AI Predicted 7.5 Difficulty: Easy EPSS 0.43% · P35

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
Rockwell Automation CompactLogix® 5370 Compact GuardLogix® 5370 ControlLogix® 5570 GuardLogix® 5570 V34.012 and earlier V35.011 and earlier affected
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I. Basic Information for CVE-2025-12012

Vulnerability Information
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Vulnerability Title
CompactLogix ®, ControlLogix ®, Compact GuardLogix ® and GuardLogix ® Buffer Overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A denial-of-service issue exists in 5380/5480/5580 controllers. This vulnerability could potentially allow a malicious user to write invalid file data to the controller, causing the device to enter a major non-recoverable fault (MNRF).
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:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Rockwell Automation CompactLogix 5370 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rockwell Automation CompactLogix 5370是美国Rockwell Automation公司的一款可编程逻辑控制器。 Rockwell Automation CompactLogix 5370存在缓冲区错误漏洞，该漏洞源于缓冲区错误，可能导致恶意用户向控制器写入无效文件数据，造成设备进入无法恢复的严重故障。以下版本受到影响：V34.012及之前版本和V35.011及之前版本。
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 CompactLogix® 5370 Compact GuardLogix® 5370 ControlLogix® 5570 GuardLogix® 5570 V34.012 and earlier V35.011 and earlier -

II. Public POCs for CVE-2025-12012

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III. Intelligence Information for CVE-2025-12012

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Vendor Advisories for CVE-2025-12012 (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-2026-8314 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-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: CompactLogix® 5370 Compact GuardLogix® 5370 ControlLogix® 5570 GuardLogix® 5570
Same vendor: Rockwell Automation
Same weakness: CWE-120

V. Comments for CVE-2025-12012

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