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.
History

Mon, 23 Mar 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 23 Mar 2026 10:00:00 +0000

Type Values Removed Values Added
First Time appeared Ctek
Ctek chargeportal
Vendors & Products Ctek
Ctek chargeportal

Fri, 20 Mar 2026 23:00:00 +0000

Type Values Removed Values Added
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.
Title CTEK Chargeportal Improper Restriction of Excessive Authentication Attempts
Weaknesses CWE-307
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: icscert

Published: 2026-03-20T22:45:17.571Z

Updated: 2026-03-23T14:16:28.724Z

Reserved: 2026-03-12T16:52:46.513Z

Link: CVE-2026-31904

cve-icon Vulnrichment

Updated: 2026-03-23T14:16:25.878Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-03-20T23:16:44.060

Modified: 2026-03-23T14:32:02.800

Link: CVE-2026-31904

cve-icon Redhat

No data.