CVE-2025-55086 — CRITICAL (9.8)

Q: How severe is CVE-2025-55086?

CVE-2025-55086 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2025-55086?

Check the references section above for vendor advisories and patch information. Affected products include: Eclipse Threadx Netx Duo.

Vulnerability 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 Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Eclipse	Threadx Netx Duo	< 6.4.4.202503

Related Weaknesses (CWE)

CWE-1285 CWE-125

References

https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-99pw-cp79-2jVendor Advisory

FAQ

What is CVE-2025-55086?

CVE-2025-55086 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 ...

How severe is CVE-2025-55086?

CVE-2025-55086 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-55086?

Check the references section above for vendor advisories and patch information. Affected products include: Eclipse Threadx Netx Duo.