VDB-368016 · Submit #830921 · CVE-2026-10703

EIPStackGroup OpENer up to 2.3.0 SendRRData cipmessagerouter.c CreateMessageRouterRequestStructure use after free

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.0	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in EIPStackGroup OpENer up to 2.3.0. Affected by this vulnerability is the function CreateMessageRouterRequestStructure of the file cipmessagerouter.c of the component SendRRData Handler. The manipulation results in use after free. This vulnerability is identified as CVE-2026-10703. The attack can be executed remotely. Additionally, an exploit exists. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability was found in EIPStackGroup OpENer up to 2.3.0. It has been classified as critical. Affected is the function CreateMessageRouterRequestStructure of the file cipmessagerouter.c of the component SendRRData Handler. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-10703. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at CNNVD (CNNVD-202606-744) and EUVD (EUVD-2026-34062). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

EIPStackGroup

Name

OpENer

Version

Website

Product: https://github.com/EIPStackGroup/OpENer/

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: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.3
CNA Vector: 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

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: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/02/2026 Advisory disclosed
06/02/2026 +0 days VulDB entry created
06/07/2026 +5 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 566
Status: Not defined

CVE: CVE-2026-10703 (🔒)
GCVE (CVE): GCVE-0-2026-10703
GCVE (VulDB): GCVE-100-368016
EUVD: 🔒
CNNVD: CNNVD-202606-744 - EIPStackGroup OpENer 资源管理错误漏洞

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/02/2026 19:47
Updated: 06/07/2026 23:36
Changes: 06/02/2026 19:47 (58), 06/03/2026 05:15 (1), 06/05/2026 14:44 (6), 06/07/2026 23:36 (31)
Complete: 🔍
Submitter: QvuQ_lkx
Cache ID: 216::103

Submitinfo

Accepted

Submit #830921: Linux OpENer (Open EtherNet/IP Stack) lastet Use After Free (by QvuQ_lkx)

VulDB is the best source for vulnerability data and more expert information about this specific topic.