CVE-2026-31904
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductCtek Charge Portal
PublishedMar 20, 2026
First seenMar 20, 2026
Weakness typeCWE-307CWE-307
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ctek charge_portal | No range specified | — |
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