CVE-2025-55102

HighCVSS 7.5/10Last modified Nov 5, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-400 CWE-404 CWE-770

Affected software

Vendor	Product	Versions
Eclipse Foundation	Eclipse ThreadX - NetX Duo	<= 6.4.3

References

https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-f3rx-xrwm-q2rfVendor Advisory

Timeline

Published: Jan 27, 2026
Last modified: Nov 5, 2026
NVD status: Analyzed

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