CVE-2025-55091: In NetX Duo before 6.4.4, the networking support module for Eclipse Foundation ThreadX, there was a potential out of…
CVE-2025-55091 · Severity: medium · CVSS 6.5 · Published 2025-10-16
In NetX Duo before 6.4.4, the networking support module for Eclipse Foundation ThreadX, there was a potential out of bound read issue in _nx_ip_packet_receive() function when received an Ethernet with type set as IP but no IP data.
No. Junglewise Threat Intelligence has no report of CVE-2025-55091 being exploited in the wild.
How severe is CVE-2025-55091?
Medium severity, with a CVSS score of 6.5, published 16 October 2025.
Which products and versions are affected?
Eclipse Threadx Netx Duo. The advisory does not name versions.
Is there a fix for CVE-2025-55091?
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-2025-55091?
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.