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CVE-2026-9140— 1718-AENTR/1719-AENTR - Denial of Service

AI Predicted 6.5 Difficulty: Trivial EPSS 0.25% · P17

Possible ATT&CK Techniques 1AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProductVersion RangeStatus
Rockwell Automation1718-AENTR/1719-AENTR3.011affected
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I. Basic Information for CVE-2026-9140

Vulnerability Information
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Vulnerability Title
1718-AENTR/1719-AENTR - Denial of Service
Source: CVE Program / CVE List V5
Vulnerability Description
A denial-of-service security issue exists in the 1719-AENTR. The security issue stems from improper handling of a UDP unicast network storm, which causes the device to become overloaded and lose communication. A power cycle is required to recover.
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
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
Rockwell Automation 1718-AENTR 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rockwell Automation 1718-AENTR是美国Rockwell Automation基金会的一款工业自动化控制模块。 Rockwell Automation 1718-AENTR 3.011版本存在资源管理错误漏洞，该漏洞源于对UDP单播网络风暴处理不当，可能导致设备过载并失去通信。
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

VendorProductAffected VersionsCPESubscribe
Rockwell Automation1718-AENTR/1719-AENTR 3.011 -

II. Public POCs for CVE-2026-9140

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III. Intelligence Information for CVE-2026-9140

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Vendor Advisories for CVE-2026-9140 (1)

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

CVE-2026-8085Rockwell Automation Arena® - Memory Corruption Vulnerability
CVE-2026-8314Rockwell Automation Arena® - Memory Corruption Vulnerability
CVE-2026-8313Rockwell Automation Arena® - Memory Corruption Vulnerability
CVE-2026-96531756-EN2, 1756-EN3, and 1756-ENBT - Denial of Service via CIP Connection ID
CVE-2026-10714Rockwell Automation FactoryTalk® Services Platform FTSP - Weak Authentication via JWT Vali
CVE-2026-105731734 POINT I/OTM - Denial of Service via Malformed Inputs on CIP Object
CVE-2025-12012CompactLogix ®, ControlLogix ®, Compact GuardLogix ® and GuardLogix ® Buffer Overflow
CVE-2025-12011CompactLogix ®, ControlLogix ®, Compact GuardLogix ® and GuardLogix ® Buffer Overflow
CVE-2026-11917ThinManager® - Path Traversal via API
CVE-2026-9108Studio 5000 Logix Designer® – Multiple Vulnerabilities
CVE-2026-9128Studio 5000 Logix Designer® – Multiple Vulnerabilities
CVE-2026-9636Rockwell Automation CompactLogix® 5380 ControlLogix® 5580 / 1756-EN4 Communications Module
CVE-2026-9292Rockwell Automation FactoryTalk® DataMosaix™ Private Cloud - Stored Cross-Site Scripting
CVE-2026-9127Studio 5000 Logix Designer® – Multiple Vulnerabilities
CVE-2026-12659Rockwell Automation Flex 5000® Adapter - Denial of Service
CVE-2025-11698CompactLogix ®, ControlLogix ®, Compact GuardLogix ® and GuardLogix ® Buffer Overflow

IV. Related Vulnerabilities

Same vendor: Rockwell Automation
Same weakness: CWE-770

V. Comments for CVE-2026-9140

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