CVE-2025-55102

State: Published
Severity: 8.7 High
Published: Jan 27, 2026
Updated: Jan 27, 2026
Reserved: Aug 6, 2025

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.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N	eclipse

Weaknesses

CWE-400 Uncontrolled Resource Consumption
CWE-404 Improper Resource Shutdown or Release
CWE-770 Allocation of Resources Without Limits or Throttling

Affected Products

Product	Versions
Eclipse ThreadX - NetX DuoEclipse Foundation	6.4.3 and earlierAffected

References

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

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