CVE-2026-35226

An out‑of‑bounds write vulnerability in the CODESYS PROFINET Controller allows an unauthenticated attacker on the same network segment to send malformed PROFINET communication data that triggers an exception in the affected PLC application. The exception is handled by the CODESYS Control runtime system and results in a controlled stop of the PLC application.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.certvde.com/en/advisories/VDE-2026-041/

Configurations

No configuration.

History

No history.

Information

Published : 2026-07-29 08:16

Updated : 2026-07-30 14:31

NVD link : CVE-2026-35226

Mitre link : CVE-2026-35226

CVE.ORG link : CVE-2026-35226

JSON object : View

Products Affected

No product.

CWE

CWE-787

Out-of-bounds Write

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