Out-of-bounds Read in Eclipse Threadx Netx Duo
CVE-2025-55092
In Eclipse Foundation 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_ipv4_option_process() when processing an IPv4 packet with the timestamp option.
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 (23.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · 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-vwh7-h99r-fvwq (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-55092?
- CVE-2025-55092 is a medium-severity vulnerability in Eclipse Threadx Netx Duo, classified under Out-of-bounds Read. CVSS score: 5.3/10. Published 2025-10-17.
- How severe is CVE-2025-55092?
- Medium severity. CVSS v3 base score is 5.3 out of 10.