CVE-2026-0667: CWE-754: Improper Check for Unusual or Exceptional Conditions in Schneider Electric SCADAPack 47x
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.
AI Analysis
Technical Summary
This vulnerability (CWE-754) in Schneider Electric SCADAPack 47x arises from improper handling of unusual or exceptional conditions during Modbus TCP communication. It allows an unauthenticated attacker to potentially execute arbitrary code, cause denial of service, and compromise confidentiality and integrity of the device. The CVSS 4.0 vector indicates network attack vector with no privileges or user interaction required, and high impact on confidentiality, integrity, and availability. No remediation level or patch information is currently available from the vendor.
Potential Impact
Successful exploitation could result in arbitrary code execution on the affected device, denial of service conditions, and loss of confidentiality and integrity of communications. This could disrupt industrial control processes relying on SCADAPack 47x devices and compromise sensitive operational data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor Schneider Electric advisories for updates. No vendor-provided mitigations or temporary fixes are currently documented.
CVE-2026-0667: CWE-754: Improper Check for Unusual or Exceptional Conditions in Schneider Electric SCADAPack 47x
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.
CVSS v4.0
Score 9.3critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-754) in Schneider Electric SCADAPack 47x arises from improper handling of unusual or exceptional conditions during Modbus TCP communication. It allows an unauthenticated attacker to potentially execute arbitrary code, cause denial of service, and compromise confidentiality and integrity of the device. The CVSS 4.0 vector indicates network attack vector with no privileges or user interaction required, and high impact on confidentiality, integrity, and availability. No remediation level or patch information is currently available from the vendor.
Potential Impact
Successful exploitation could result in arbitrary code execution on the affected device, denial of service conditions, and loss of confidentiality and integrity of communications. This could disrupt industrial control processes relying on SCADAPack 47x devices and compromise sensitive operational data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor Schneider Electric advisories for updates. No vendor-provided mitigations or temporary fixes are currently documented.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- schneider
- Date Reserved
- 2026-01-07T15:42:11.892Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a69fea19c2644c7f88f56c1
Added to database: 07/29/2026, 13:22:41 UTC
Last enriched: 07/29/2026, 13:37:42 UTC
Last updated: 07/29/2026, 18:51:10 UTC
Views: 9
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