Denial-of-Service Vulnerability in CODESYS Control Runtime System
CVE-2025-41738

7.5HIGH

Key Information:

Vendor

Codesys

Status
Codesys Control Rte (sl)
Codesys Control Rte (for Beckhoff Cx) Sl
Codesys Control Win (sl)
Codesys Hmi (sl)
Vendor
CVE Published:
1 December 2025

What is CVE-2025-41738?

An unauthenticated remote attacker can exploit a vulnerability in the CODESYS Control runtime system's visualization server, potentially causing it to access resources incorrectly with the wrong pointer type. This action may result in a denial-of-service condition, disrupting the availability of the affected services.

Affected Version(s)

CODESYS Control for BeagleBone SL 4.5.0.0 < 4.19.0.0

CODESYS Control for emPC-A/iMX6 SL 4.5.0.0 < 4.19.0.0

CODESYS Control for IOT2000 SL 4.5.0.0 < 4.19.0.0

References

https://certvde.com/de/advisories/VDE-2025-100

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.