CVE-2026-0667
Critical
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.
SeverityCritical
CVSS9.3
Exploit probability—
ProductSCADAPack 47x
PublishedJul 29, 2026
First seenJul 29, 2026
Weakness typeCWE-754CWE-754
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Schneider Electric SCADAPack 47x | Versions prior to R3.4.2 (Firmware version prior to 9.12.2) | — |
| Schneider Electric SCADAPack 47xi | Versions prior to R3.4.2 (Firmware version prior to 9.12.2) | — |
| Schneider Electric SCADAPack 57x | No range specified | — |
| Schneider Electric RemoteConnect | Versions prior to R3.4.2 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.