CVE-2025-55091

Medium

Description

In NetX Duo before 6.4.4, the networking support module for Eclipse Foundation ThreadX, there was a potential out of bound read issue in _nx_ip_packet_receive() function when received an Ethernet with type set as IP but no IP data.

SeverityMedium

CVSS6.5

Exploit probability—

ProductEclipse Threadx Netx Duo

PublishedOct 16, 2025

First seenOct 16, 2025

Weakness typeCWE-125Out-of-bounds read CWE-126CWE-126

How to fix

Update

eclipse threadx_netx_duo6.4.4.202503 or later

Vendor advisories

github.com/eclipse-threadx/netxduo/security/advisories/GHSA-pf5q-r6q5-6j2f

Affected products

Product	Affected versions	Fixed in
eclipse threadx_netx_duo	v < 6.4.4.202503	6.4.4.202503

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