CVE-2025-55102

High

Description

A denial-of-service vulnerability exists in the NetX IPv6 component functionality of Eclipse ThreadX NetX Duo. A specially crafted network packet of "Packet Too Big" with more than 15 different source address can lead to denial of service. An attacker can send a malicious packet to trigger this vulnerability.

SeverityHigh

CVSS7.5

Exploit probability—

ProductEclipse Threadx Netx Duo

PublishedJan 27, 2026

First seenJan 27, 2026

Weakness typeCWE-400Uncontrolled resource consumption CWE-404CWE-404 CWE-770Allocation of resources without limits

How to fix

Update

eclipse threadx_netx_duo6.4.5.202504 or later

Vendor advisories

github.com/eclipse-threadx/netxduo/security/advisories/GHSA-f3rx-xrwm-q2rf

Affected products

Product	Affected versions	Fixed in
eclipse threadx_netx_duo	v < 6.4.5.202504	6.4.5.202504

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