CTEK vulnerabilities
We track 2 vulnerabilities in CTEK products across 2 products. 2 are rated high or critical, and none are known to be exploited. The most recent was published on March 20, 2026.
2vulnerabilities
1critical
1high
0exploited
8.7average CVSS score
Latest CTEK vulnerabilities
- 7.5 High severity
Chargeportal: Improper Restriction of Excessive Authentication Attempts
The WebSocket Application Programming Interface lacks restrictions on the number of authentication requests. This absence of rate limiting may allow an attacker to conduct denial-of-service attacks by suppressing or mis-routing legitimate charger telemetry, or
- 9.8 Critical severity
Chargeportal: Missing Authentication for Critical Functionality
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 discove