Vulnerability · Published Jun 16, 2026 · Assigned by Moxa

CVE-2026-10825Improper JSON Input Validation in WebSocket API Leads to Denial of Service

High 7.1

In plain English

A high-severity security flaw in NPort 6000-G2 Series from Moxa. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities).

Severity (CVSS 4.0)7.1High
Exploit odds (30 days)0.2%top 84.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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 (as reported)

VendorProductVersions
Moxa NPort 6000-G2 Series 1.0 – through 1.1.0

Weakness: CWE-1287 · Vector: 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

References