CVE-2026-10825

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

CVSS 7.1 HIGHEPSS 0.2%CWE-1287

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.1EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

16 Jun 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

Moxa · NPort 6000-G2 Series

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References

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