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CVE-2026-0667

CVSS 9.3 · Critical EPSS 0.37% · P30

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 4

VendorProductVersion RangeStatus
Schneider ElectricRemoteConnectVersions prior to R3.4.2affected
Schneider ElectricSCADAPack 47xVersions prior to R3.4.2 (Firmware version prior to 9.12.2)affected
Schneider ElectricSCADAPack 47xiVersions prior to R3.4.2 (Firmware version prior to 9.12.2)affected
Schneider ElectricSCADAPack 57xAll Versionsaffected
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I. Basic Information for CVE-2026-0667

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability that could cause arbitrary code execution, denial of service and loss of confidentiality & integrity when communicating over the Modbus TCP protocol.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
对因果或异常条件的不恰当检查
Source: CVE Program / CVE List V5
Vulnerability Title
Schneider Electric SCADAPack 47x 异常处理不当漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Schneider Electric SCADAPack 47x是美国Schneider Electric公司的一款工业控制远程终端单元。 Schneider Electric SCADAPack 47x R3.4.2之前版本、SCADAPack 47xi R3.4.2之前版本、SCADAPack 57x所有版本和RemoteConnect R3.4.2之前版本存在异常处理不当漏洞，该漏洞源于对异常条件检查不当，导致通过Modbus TCP协议通信时可能造成任意代码执行、拒绝服务以及机密性和完整性丧失。
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
Schneider ElectricSCADAPack 47x Versions prior to R3.4.2 (Firmware version prior to 9.12.2) -
Schneider ElectricSCADAPack 47xi Versions prior to R3.4.2 (Firmware version prior to 9.12.2) -
Schneider ElectricSCADAPack 57x All Versions -
Schneider ElectricRemoteConnect Versions prior to R3.4.2 -

II. Public POCs for CVE-2026-0667

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III. Intelligence Information for CVE-2026-0667

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Vendor Advisories for CVE-2026-0667 (1)

Same Patch Batch · Schneider Electric · 2026-07-29 · 3 CVEs total

CVE-2026-143548.7 HIGHSchneider Electric EcoStruxure Cybersecurity Admin Expert 信任管理问题漏洞
CVE-2026-129278.4 HIGHSchneider Electric IGSS Definition 缓冲区错误漏洞

IV. Related Vulnerabilities

Same vendor: Schneider Electric
Same weakness: CWE-754

V. Comments for CVE-2026-0667

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