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CVE PROGRAM SOURCE RECORD8.7 High

CVE-2026-31904

CTEK Chargeportal Improper Restriction of Excessive Authentication Attempts

Description

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 conduct brute-force attacks to gain unauthorized access.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

CTEK Chargeportal

Default version status: unaffected

  • All versionsaffected

References