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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-99pw-cp79-2j5j	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:eclipse:threadx_netx_duo:*:*:*:*:*:*:*:*

History

24 Oct 2025, 15:46

Type	Values Removed	Values Added
First Time		Eclipse Eclipse threadx Netx Duo
References	~~() https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-99pw-cp79-2j5j -~~	() https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-99pw-cp79-2j5j - Vendor Advisory
CPE		cpe:2.3:a:eclipse:threadx_netx_duo::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8

20 Oct 2025, 18:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-10-20 18:15

Updated : 2025-10-24 15:46

NVD link : CVE-2025-55086

Mitre link : CVE-2025-55086

CVE.ORG link : CVE-2025-55086

JSON object : View

Products Affected

eclipse

threadx_netx_duo

CWE

CWE-125

Out-of-bounds Read

CWE-1285

Improper Validation of Specified Index, Position, or Offset in Input

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