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.

VectorNETWORK

Published Byemo@eclipse.org

Published DateOct 17, 2025, 05:15

Weakness Type (CWE):CWE-125

CVSS Metrics

Base Score

6.9

Vector String

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/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

Base Severity

MEDIUM

Version

4.0

Attack Vector (AV)

NETWORK

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

NONE

Scope (S)

Confidentiality (C)

Integrity (I)

Availability (A)

References

https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-c9pq-93jp-w649

Base Score

MEDIUM5.3

Weakness Type (CWE):CWE-125

CVSS Metrics

Base Score

6.9

Vector String

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/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

Base Severity

MEDIUM

Version

4.0

Attack Vector (AV)

NETWORK

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

NONE

Scope (S)

Confidentiality (C)

Integrity (I)

Availability (A)