VDB-328899 · CVE-2025-55093 · GHSA-c9pq-93jp-w649

Eclipse NetX Duo up to 6.4.3 Networking Support _nx_ipv4_packet_receive buffer over-read

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6.2	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Eclipse NetX Duo up to 6.4.3. Affected is the function _nx_ipv4_packet_receive of the component Networking Support Module. Performing a manipulation results in buffer over-read. This vulnerability is cataloged as CVE-2025-55093. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Eclipse NetX Duo up to 6.4.3. This affects the function _nx_ipv4_packet_receive of the component Networking Support Module. The manipulation with an unknown input leads to a buffer over-read vulnerability. CWE is classifying the issue as CWE-126. The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was shared by Justin Stauffer and Ilja Van Sprundel as GHSA-c9pq-93jp-w649. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2025-55093 since 08/06/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 6.4.4 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Eclipse

Name

NetX Duo

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer over-read
CWE: CWE-126 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: NetX Duo 6.4.4

Timelineinfo

08/06/2025 CVE reserved
10/17/2025 +72 days Advisory disclosed
10/17/2025 +0 days VulDB entry created
10/25/2025 +7 days VulDB entry last update

Sourcesinfo

Advisory: GHSA-c9pq-93jp-w649
Researcher: Justin Stauffer, Ilja Van Sprundel
Status: Confirmed

CVE: CVE-2025-55093 (🔒)
GCVE (CVE): GCVE-0-2025-55093
GCVE (VulDB): GCVE-100-328899

Entryinfo

Created: 10/17/2025 08:04
Updated: 10/25/2025 00:38
Changes: 10/17/2025 08:04 (69), 10/25/2025 00:38 (11)
Complete: 🔍
Cache ID: 216::103