PT-2026-4936 · Eclipse · Eclipse Threadx Netx Duo

Published 2026-01-27 · Updated 2026-01-27 · CVE-2025-55102

Positive Technologies (AI Summary)

CVSS v4.0

8.7

High

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions Eclipse ThreadX NetX Duo (affected versions not specified)

Description A denial-of-service issue exists in the NetX IPv6 component of Eclipse ThreadX NetX Duo. Sending a specially crafted network packet of "Packet Too Big" with more than 15 different source addresses can cause a denial-of-service condition. An attacker can trigger this issue by sending a malicious packet.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Allocation of Resources Without Limits

Resource Exhaustion

Improper Resource Release

Weakness Enumeration

CWE-770

CWE-400

CWE-404

Related Identifiers

CVE-2025-55102

GHSA-F3RX-XRWM-Q2RF

Affected Products

Eclipse Threadx Netx Duo

References · 5

• https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-f3rx-xrwm-q2rf · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-55102 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-55102 · Security Note
• https://twitter.com/CVEnew/status/2016177455636090897 · Twitter Post
• https://t.me/CVEtracker/43079 · Telegram Post