CVE-2026-0667 Other in RemoteConnect
Improper exception handling in Modbus TCP communication allows arbitrary code execution and denial of service in Schneider Electric SCADA systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-0667?
CVE-2026-0667 is a critical vulnerability in Schneider Electric RemoteConnect, published on 29 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-754
Which versions are affected by CVE-2026-0667?
How do I fix CVE-2026-0667?
No fix has been published for CVE-2026-0667 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-0667 being exploited?
There is no known exploitation of CVE-2026-0667 in the wild and no public exploit code.
Sources
Also known as GHSA-q9ph-762q-r4c6.