CVE-2025-55093: threadx netx duo Out-of-bounds Read

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_ipv4_packet_receive() when handling unicast DHCP messages that could cause corruption of 4 bytes of memory.

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CVSS v3.1 Score

5.3

MEDIUM

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

Weakness Type (CWE)

CWE-126 CWE-126

CWE-125 Out-of-bounds Read

Affected Products

Vendor	Product	Versions
eclipse	threadx_netx_duo	< 6.4.4.202503

References

Advisories & Patches

https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-c9pq-93jp-w649

Frequently Asked Questions

What is CVE-2025-55093? +

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_ipv4_packet_receive() when handling unicast DHCP messages that could cause corruption of 4 bytes of memory. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2025-55093? +

CVE-2025-55093 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-55093? +

CVE-2025-55093 affects products from eclipse, specifically: threadx_netx_duo. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-55093? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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