Time-of-Check Time-of-Use Race Condition in Sauter Products
CVE-2026-78319

9.3CRITICAL

Key Information:

Vendor

Sauter

Status
Modu680-as
Modu660-as
Modu612-lc
Ecos504
Vendor
CVE Published:
1 September 2026

What is CVE-2026-78319?

A security vulnerability exists in certain Sauter products due to a Time-of-Check Time-of-Use (TOCTOU) race condition. An unauthenticated remote attacker can exploit this flaw to bypass established security measures. This exploitation could lead to the execution of unauthorized code, posing serious risks to the integrity and security of the affected systems.

Affected Version(s)

ecos504 1.0.0 < 7.0.0

ecos505 1.0.0 < 7.0.0

modu612-LC 1.0.0 < 4.0.0

References

https://www.certvde.com/en/advisories/VDE-2026-093/
https://sauter.csaf-tp.certvde.com/.well-known/csaf/white...

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.