CVE-2025-55086: In NetXDuo version before 6.4.4, a networking support module for Eclipse Foundation ThreadX, in the DHCPV6 client…
CVE-2025-55086 · Severity: critical · CVSS 9.8 · Published 2025-10-20
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.
No. Junglewise Threat Intelligence has no report of CVE-2025-55086 being exploited in the wild.
How severe is CVE-2025-55086?
Critical severity, with a CVSS score of 9.8, published 20 October 2025.
Which products and versions are affected?
Eclipse Threadx Netx Duo. The advisory does not name versions.
Is there a fix for CVE-2025-55086?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-55086?
Check whether you run Eclipse Threadx Netx Duo. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.