# CVE-2025-55081: In Eclipse Foundation NextX Duo before 6.4.4, a module of ThreadX, the _nx_secure_tls_process_clienthello() function…

Source: https://junglewise.ai/threats/cve-2025-55081-in-eclipse-foundation-nextx-duo-before-6-4-4-a-module-of-threadx  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-10-15  
License: CC BY 4.0 with a link back

CVE-2025-55081 · Severity: critical · CVSS 9.1 · Published 2025-10-15

In Eclipse Foundation NextX Duo before 6.4.4, a module of ThreadX, the _nx_secure_tls_process_clienthello() function was missing length verification of 
certain SSL/TLS client hello message: the ciphersuite length and 
compression method length. In case of an attacker-crafted message with 
values outside of the expected range, it could cause an out-of-bound 
read.

Technologies: [Eclipse Threadx Netx Duo](https://junglewise.ai/threats/technologies/threadx-netx-duo). Vendors: [Eclipse](https://junglewise.ai/threats/vendors/eclipse).

## Quick answers

**Is CVE-2025-55081 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-55081 being exploited in the wild.

**How severe is CVE-2025-55081?** Critical severity, with a CVSS score of 9.1, published 15 October 2025.

**Which products and versions are affected?** Eclipse Threadx Netx Duo. The advisory does not name versions.

**Is there a fix for CVE-2025-55081?** 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-2025-55081?** 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.

## Affected products

- Eclipse Threadx Netx Duo

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