Out-of-bounds Read in Eclipse Threadx Netx Duo
CVE-2025-55093
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_ipv4_packet_receive() when handling unicast DHCP messages that could cause corruption of 4 bytes of memory.
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:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (21.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.5% 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-c9pq-93jp-w649 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-55093?
- CVE-2025-55093 is a medium-severity vulnerability in Eclipse Threadx Netx Duo, classified under Buffer Over-read. CVSS score: 5.3/10. Published 2025-10-17.
- How severe is CVE-2025-55093?
- Medium severity. CVSS v3 base score is 5.3 out of 10.