CVE-2026-10825

HIGH

Improper JSON Input Validation in WebSocket API Leads to Denial of Service

Title source: cna

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.

References (1)

Core 1

Core References

Vendor Advisory vendor-advisory

https://www.moxa.com/en/support/product-support/security-advisory/mpsa-268270-cve-2026-10825-improper-validation-of-input-vulnerability-in-serial-device-servers

Scores

CVSS v4 7.1

EPSS 0.0024

EPSS Percentile 15.0%

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-1287

Status published

Products (2)

Moxa/NPort 6000-G2 Series 1.0 - 1.1.0

Moxa/NPort 6000-G2 Series 1.2.0

Published Jun 16, 2026

Tracked Since Jun 16, 2026