Is CVE-2025-55091 actively exploited?

CVE-2025-55091 has no public evidence of in-the-wild exploitation as of 2025-10-21.

What is the CVSS score for CVE-2025-55091?

CVE-2025-55091 has a CVSS score of 6.9 (MEDIUM severity). Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

How do I patch CVE-2025-55091?

Patch guidance is available from eclipse security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-55091.

Which products are affected by CVE-2025-55091?

1 product: eclipse threadx netx duo.

CVE-2025-55091 - remediation guidance & executive summary

Description

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.

CVSS Metrics

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Confidentiality: undefined
Integrity: undefined
Availability: undefined
Weaknesses: CWE-125 · Out-of-bounds Read CWE-126

Metadata

Primary Vendor: ECLIPSE
Published: 10/16/2025
Last Modified: 10/21/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2025-55091

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary