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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable yes

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Schneider Electric SCADAPack 47x unaffected
Version Status Constraints
Versions prior to R3.4.2 (Firmware version prior to 9.12.2) affected —
Schneider Electric SCADAPack 47xi unaffected
Version Status Constraints
Versions prior to R3.4.2 (Firmware version prior to 9.12.2) affected —
Schneider Electric SCADAPack 57x unaffected
Version Status Constraints
All Versions affected —
Schneider Electric RemoteConnect unaffected
Version Status Constraints
Versions prior to R3.4.2 affected —

No data.

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Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://download.se.com/files?p_Doc_Ref=SEVD-2026-041-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2026-041-01.pdf cve-icon
History

Wed, 29 Jul 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Wed, 29 Jul 2026 13:15:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-754
References
Metrics cvssV4_0

{'score': 9.3, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: schneider

Published:

Updated: 2026-07-29T14:20:14.876Z

Reserved: 2026-01-07T15:42:11.892Z

Link: CVE-2026-0667

cve-icon Vulnrichment

Updated: 2026-07-29T14:20:07.701Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses