CVE-2026-0667

State: Published
Severity: 9.3 Critical
Published: Jul 29, 2026
Updated: Jul 29, 2026
Reserved: Jan 7, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	9.3 Critical	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	schneider

Weaknesses

CWE-754 Improper Check for Unusual or Exceptional Conditions

Affected Products

Product	Versions
SCADAPack 47xSchneider Electric	Versions prior to R3.4.2 (Firmware version prior to 9.12.2)Affected
SCADAPack 47xiSchneider Electric	Versions prior to R3.4.2 (Firmware version prior to 9.12.2)Affected
SCADAPack 57xSchneider Electric	All VersionsAffected
RemoteConnectSchneider Electric	Versions prior to R3.4.2Affected

References

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

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.