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CVE-2025-55086

Good to know:

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Date: October 20, 2025

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.

Severity Score

Related Resources (3)

https://nvd.nist.gov/vuln/detail/CVE-2025-55086
https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-99pw-cp79-2j5j
https://www.mend.io/vulnerability-database/CVE-2025-55086

Severity Score

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

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

CWE-1285

Top Fix

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Upgrade Version

Upgrade to version https://github.com/eclipse-threadx/netxduo.git - v.6.4.4.202503_rel

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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