What is CVE-2025-55091?

CVE-2025-55091 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-2025-55091?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Out-of-bounds Read in Eclipse Threadx_netx_duo

CVE-2025-55091

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_ip_packet_receive() function when received an Ethernet with type set as IP but no IP data.

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

Eclipse Threadx_netx_duo
Eclipse Foundation Netx Duo — versions 0

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read
CWE-126 — Buffer Over-read

References

emo@eclipse.org (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2025-55091?: CVE-2025-55091 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-2025-55091?: Medium severity. CVSS v3 base score is 6.5 out of 10.