Description
A denial-of-service vulnerability exists in the WebSocket API due to insufficient validation and handling of JSON-based requests. A low-privileged authenticated attacker can send a specially crafted request that causes service disruption and may result in an unexpected device reboot.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Moxa | NPort 6000-G2 Series | 1.0 – ≤ 1.1.0 | 1.2.0 |
Advisories 1
- WID-SEC-2026-1936 Moxa NPort 6400-G2 Series Device Servers: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Jun 16, 2026