CVE-2026-35226 — Out-of-bounds Write in CODESYS PROFINET Controller
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 d…
Published: 2026-07-29 · CVSS: 7.1 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7