Home

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.

PUBLISHED Reserved 2026-06-02 | Published 2026-06-03 | Updated 2026-06-03 | Assigner VulDB




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Use After Free

Memory Corruption

Product status

2.0
affected

2.1
affected

2.2
affected

2.3.0
affected

Timeline

2026-06-02:Advisory disclosed
2026-06-02:VulDB entry created
2026-06-02:VulDB entry last update

Credits

QvuQ_lkx (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/368016 (VDB-368016 | EIPStackGroup OpENer SendRRData cipmessagerouter.c CreateMessageRouterRequestStructure use after free) vdb-entry technical-description

vuldb.com/vuln/368016/cti (VDB-368016 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-10703 (CVE-2026-10703 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/830921 (Submit #830921 | Linux OpENer (Open EtherNet/IP Stack) lastet Use After Free) third-party-advisory

github.com/EIPStackGroup/OpENer/issues/566 issue-tracking

github.com/user-attachments/files/27100961/poc.zip exploit

github.com/EIPStackGroup/OpENer/ product

cve.org (CVE-2026-10703)

nvd.nist.gov (CVE-2026-10703)

Download JSON