CTEK Chargeportal Missing Authentication for Critical Function
WebSocket endpoints lack proper authentication mechanisms, enabling attackers to perform unauthorized station impersonation and manipulate data sent to the backend. An unauthenticated attacker can connect to the OCPP WebSocket endpoint using a known or discovered charging station identifier, then issue or receive OCPP …
Severity critical: primary CNA CVSS 9.3 v4.0 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2026-03-20T22:42:14.820Z. Updated 2026-03-23T14:15:57.579Z.