CVE-2026-35226
MEDIUM
NVD
CVSS Score
6.5
Severity
MEDIUM
Published
Jul 29, 2026
Vendor
unknown
Description
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.