CVE-2025-55086

Description

In NetXDuo version before 6.4.4, a networking support module for Eclipse Foundation ThreadX, in the DHCPV6 client there was an unchecked index extracting the server DUID from the server reply. With a crafted packet, an attacker could cause an out of memory read.

CVSS v3.1 Score

9.8

CRITICAL

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

Weakness Type (CWE)

CWE-125 Out-of-bounds Read

CWE-1285 CWE-1285

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-99pw-cp79-2j5j

Frequently Asked Questions

What is CVE-2025-55086? +

In NetXDuo version before 6.4.4, a networking support module for Eclipse Foundation ThreadX, in the DHCPV6 client there was an unchecked index extracting the server DUID from the server reply. With a crafted packet, an attacker could cause an out of memory read. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-55086? +

CVE-2025-55086 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-55086? +

CVE-2025-55086 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-2025-55086? +

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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