Out-of-bounds Read in Eclipse Threadx Netx Duo
CVE-2025-55082
In NetX Duo version before 6.4.4, the component of Eclipse Foundation ThreadX, there was a potential out of bound read in _nx_secure_tls_process_clienthello() because of a missing validation of PSK length provided in the user message.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (14.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 14.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.000
Affected products
- Eclipse Threadx Netx Duo
- Eclipse Foundation Netx Duo — versions 0
Weakness classification (CWE)
References
- github.com/eclipse-threadx/netxduo/security/advisories/GHSA-8h38-qjhh-mf2h (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-55082?
- CVE-2025-55082 is a medium-severity vulnerability in Eclipse Threadx Netx Duo, classified under Out-of-bounds Read. CVSS score: 5.3/10. Published 2025-10-15.
- How severe is CVE-2025-55082?
- Medium severity. CVSS v3 base score is 5.3 out of 10.