Out-of-bounds Read in Eclipse Threadx_netx_duo

CVE-2025-55090

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() function when received an Ethernet frame with less than 4 bytes of IP packet.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (25.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-55090?
CVE-2025-55090 is a medium-severity vulnerability in Eclipse Threadx_netx_duo, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2025-10-16.
How severe is CVE-2025-55090?
Medium severity. CVSS v3 base score is 6.5 out of 10.