CVE-2026-31904
HIGHCTEK Chargeportal Improper Restriction of Excessive Authentication Attempts
Title source: cnaDescription
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.
Scores
CVSS v3
7.5
EPSS
0.0010
EPSS Percentile
26.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-307
Status
published
Products (1)
CTEK/Chargeportal
All versions
Published
Mar 20, 2026
Tracked Since
Mar 21, 2026