CVE-2026-10703

MEDIUM

EIPStackGroup OpENer SendRRData cipmessagerouter.c CreateMessageRouterRequestStructure use after free

Title source: cna
STIX 2.1

Description

A security vulnerability has been detected in EIPStackGroup OpENer up to 2.3.0. Affected is the function CreateMessageRouterRequestStructure of the file cipmessagerouter.c of the component SendRRData Handler. The manipulation leads to use after free. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

References (7)

Core 7
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-368016 | EIPStackGroup OpENer SendRRData cipmessagerouter.c CreateMessageRouterRequestStructure use after free
https://vuldb.com/vuln/368016
Signature, Permissions Required signature permissions-required
VDB-368016 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/368016/cti
Third Party Advisory third-party-advisory
CVE-2026-10703 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-10703
Third Party Advisory third-party-advisory
Submit #830921 | Linux OpENer (Open EtherNet/IP Stack) lastet Use After Free
https://vuldb.com/submit/830921

Scores

CVSS v3 6.3
EPSS 0.0024
EPSS Percentile 15.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-119 CWE-416
Status published
Products (4)
EIPStackGroup/OpENer 2.0
EIPStackGroup/OpENer 2.1
EIPStackGroup/OpENer 2.2
EIPStackGroup/OpENer 2.3.0
Published Jun 03, 2026
Tracked Since Jun 03, 2026