Medium severity6.5NVD Advisory· Published Jul 29, 2026· Updated Jul 30, 2026
CVE-2026-35226
CVE-2026-35226
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.
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Affected products
1Patches
Vulnerability mechanics
References
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