CVE-2026-31904
CTEK Chargeportal Improper Restriction of Excessive Authentication Attempts
- State
- Published
- Severity
- 8.7 High
- Published
- Mar 20, 2026
- Updated
- Mar 23, 2026
- Reserved
- Mar 12, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | 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 | icscert |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | icscert |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
ChargeportalCTEK |
|
References
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