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CVE-2026-6866— Initialization of a Resource with an Insecure Default vulnerability on EcoStruxure™ Panel Server

Quick assessment

Affected
Schneider Electric EcoStruxure™ Panel Server
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.

Schneider Electric EcoStruxure Panel Server是法国施耐德电气（Schneider Electric）公司的一款用于数据采集及上传的物联网网关。 Schneider Electric EcoStruxure Panel Server存在安全漏洞，该漏洞源于资源初始化使用不安全默认值，可能导致凭据在罕见情况下恢复初始设置，造成未授权披露敏感信息。以下产品受到影响：EcoStruxure™ Panel Server PAS400、PAS600、PAS600V2、PAS8

AI Predicted 5.3 Difficulty: Theoretical EPSS 0.29% · P22

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
Schneider Electric EcoStruxure™ Panel Server Versions 002.005.000 and prior affected
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I. Basic Information for CVE-2026-6866

Vulnerability Information
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Vulnerability Title
Initialization of a Resource with an Insecure Default vulnerability on EcoStruxure™ Panel Server
Source: CVE Program / CVE List V5
Vulnerability Description
CWE-1188 Initialization of a Resource with an Insecure Default vulnerability exists that could cause unauthorized disclosure of sensitive information when credentials revert to initial settings in rare circumstances, enabling unauthorized authentication using known credentials.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
不安全的默认资源初始化
Source: CVE Program / CVE List V5
Vulnerability Title
Schneider Electric EcoStruxure Panel Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Schneider Electric EcoStruxure Panel Server是法国施耐德电气（Schneider Electric）公司的一款用于数据采集及上传的物联网网关。 Schneider Electric EcoStruxure Panel Server存在安全漏洞，该漏洞源于资源初始化使用不安全默认值，可能导致凭据在罕见情况下恢复初始设置，造成未授权披露敏感信息。以下产品受到影响：EcoStruxure™ Panel Server PAS400、PAS600、PAS600V2、PAS8
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
Schneider Electric EcoStruxure™ Panel Server Versions 002.005.000 and prior -

II. Public POCs for CVE-2026-6866

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III. Intelligence Information for CVE-2026-6866

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Vendor Advisories for CVE-2026-6866 (1)

Same Patch Batch · Schneider Electric · 2026-05-12 · 3 CVEs total

CVE-2026-6865 Improper Limitation of a Pathname to a Restricted Directory Vulnerability on Multiple Prod
CVE-2026-4827 Insufficient Entropy vulnerability on Multiple Products

IV. Related Vulnerabilities

Same vendor: Schneider Electric
Same weakness: CWE-1188

V. Comments for CVE-2026-6866

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