# EIPStackGroup vulnerabilities

Source: https://junglewise.ai/threats/vendors/eipstackgroup  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/eipstackgroup.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 17 vulnerabilities in EIPStackGroup: 0 in the last 7 days and 8 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-75353, was published on 9 October 2026. Nothing in the last four weeks, down from 8 vulnerabilities in the four before. 1 technology has a page of its own.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 8
- All time: 17 (0 critical, 0 exploited in the wild)

## About EIPStackGroup

EIPStackGroup is an open-source organization focused on the development and maintenance of EtherNet/IP communication stacks.

## Latest EIPStackGroup vulnerabilities

- [CVE-2026-75353: OpENer out-of-bounds read in EtherNet/IP ForwardOpen parser](https://junglewise.ai/threats/cve-2026-75353-opener-v2-3-commit-76b95cf-contains-an-out-of-bounds-read-in-the) (info, published 9 Oct 2026)
- [CVE-2026-75351: OpENer out-of-bounds read in ForwardOpen connection-path parser](https://junglewise.ai/threats/cve-2026-75351-opener-v2-3-commit-76b95cf-contains-an-out-of-bounds-read-in-the) (high, CVSS 7.5, published 9 Oct 2026)
- [CVE-2026-75350: EIPStackGroup OpENer buffer overflow in GetAttributeList](https://junglewise.ai/threats/cve-2026-75350-eipstackgroup-opener-v2-3-master-commit-76b95cf-contains-a-buffer) (high, CVSS 7.5, published 9 Oct 2026)
- [CVE-2026-75347: EIPStackGroup OpENer expired pointer dereference in EtherNet/IP CPF](https://junglewise.ai/threats/cve-2026-75347-eipstackgroup-opener-v2-3-and-master-up-to-commit-76b95cf-contain) (high, CVSS 7.5, published 9 Oct 2026)
- [CVE-2026-75349: EIPStackGroup OpENer out-of-bounds read in Connection Manager](https://junglewise.ai/threats/cve-2026-75349-eipstackgroup-opener-v2-3-0-master-up-to-commit-76b95cf-contains) (high, CVSS 7.5, published 9 Oct 2026)
- [CVE-2026-75348: EIPStackGroup OpENer out-of-bounds read in EtherNet/IP TCP parser](https://junglewise.ai/threats/cve-2026-75348-an-out-of-bounds-read-vulnerability-exists-in-eipstackgroup) (high, CVSS 7.5, published 9 Oct 2026)
- [CVE-2026-75346: EIPStackGroup OpENer out-of-bounds read in CIP SetAttributeList](https://junglewise.ai/threats/cve-2026-75346-an-out-of-bounds-read-vulnerability-exists-in-eipstackgroup) (high, CVSS 7.5, published 9 Oct 2026)
- [CVE-2026-75345: OpENer out-of-bounds read in unconnected explicit messaging](https://junglewise.ai/threats/cve-2026-75345-opener-v2-3-0-commit-76b95cf-contains-an-out-of-bounds-read-in) (high, CVSS 7.5, published 9 Oct 2026)
- [CVE-2026-51541: EIPStackGroup OpENer out-of-bounds read in CIP message parsing](https://junglewise.ai/threats/cve-2026-51541-eipstackgroup-opener-out-of-bounds-read-in-cip-message-parsing) (info, CVSS 7.5, published 13 Jul 2026)
- [CVE-2026-51540: EIPStackGroup OpENer integer underflow in SendUnitData processing](https://junglewise.ai/threats/cve-2026-51540-eipstackgroup-opener-integer-underflow-in-sendunitdata-processing) (info, CVSS 7.5, published 13 Jul 2026)
- [CVE-2026-51538: EIPStackGroup OpENer incorrect access control in encapsulation sessions](https://junglewise.ai/threats/cve-2026-51538-eipstackgroup-opener-incorrect-access-control-in-encapsulation) (info, CVSS 0, published 13 Jul 2026)
- [CVE-2026-51537: EIPStackGroup OpENer out-of-bounds read in Connection Manager](https://junglewise.ai/threats/cve-2026-51537-eipstackgroup-opener-out-of-bounds-read-in-connection-manager) (info, CVSS 7.5, published 13 Jul 2026)
- [CVE-2026-51536: EIPStackGroup OpENer stack buffer overflow in CIP message router](https://junglewise.ai/threats/cve-2026-51536-eipstackgroup-opener-stack-buffer-overflow-in-cip-message-router) (info, CVSS 7.5, published 13 Jul 2026)
- [CVE-2026-51535: EIPStackGroup OpENer resource exhaustion in TCP Network Handler](https://junglewise.ai/threats/cve-2026-51535-eipstackgroup-opener-resource-exhaustion-in-tcp-network-handler) (info, CVSS 7.5, published 8 Jul 2026)
- [CVE-2026-51221: EIPStackGroup OpENer buffer overflow in Get_Attribute_List](https://junglewise.ai/threats/cve-2026-51221-eipstackgroup-opener-buffer-overflow-in-get-attribute-list) (info, CVSS 7.5, published 29 Jun 2026)
- [CVE-2026-10703: EIPStackGroup OpENer use after free in CreateMessageRouterRequestStructure](https://junglewise.ai/threats/cve-2026-10703-eipstackgroup-opener-use-after-free-in) (medium, CVSS 6.3, published 3 Jun 2026)
- [CVE-2026-38719: EIPStackGroup OpENer out-of-bounds read in CPF parser](https://junglewise.ai/threats/cve-2026-38719-eipstackgroup-opener-out-of-bounds-read-in-cpf-parser) (medium, CVSS 6.2, published 18 May 2026)

## Most severe EIPStackGroup vulnerabilities

- [CVE-2026-75346: EIPStackGroup OpENer out-of-bounds read in CIP SetAttributeList](https://junglewise.ai/threats/cve-2026-75346-an-out-of-bounds-read-vulnerability-exists-in-eipstackgroup) (high, CVSS 7.5, published 9 Oct 2026)
- [CVE-2026-75348: EIPStackGroup OpENer out-of-bounds read in EtherNet/IP TCP parser](https://junglewise.ai/threats/cve-2026-75348-an-out-of-bounds-read-vulnerability-exists-in-eipstackgroup) (high, CVSS 7.5, published 9 Oct 2026)
- [CVE-2026-75350: EIPStackGroup OpENer buffer overflow in GetAttributeList](https://junglewise.ai/threats/cve-2026-75350-eipstackgroup-opener-v2-3-master-commit-76b95cf-contains-a-buffer) (high, CVSS 7.5, published 9 Oct 2026)
- [CVE-2026-75349: EIPStackGroup OpENer out-of-bounds read in Connection Manager](https://junglewise.ai/threats/cve-2026-75349-eipstackgroup-opener-v2-3-0-master-up-to-commit-76b95cf-contains) (high, CVSS 7.5, published 9 Oct 2026)
- [CVE-2026-75345: OpENer out-of-bounds read in unconnected explicit messaging](https://junglewise.ai/threats/cve-2026-75345-opener-v2-3-0-commit-76b95cf-contains-an-out-of-bounds-read-in) (high, CVSS 7.5, published 9 Oct 2026)
- [CVE-2026-75347: EIPStackGroup OpENer expired pointer dereference in EtherNet/IP CPF](https://junglewise.ai/threats/cve-2026-75347-eipstackgroup-opener-v2-3-and-master-up-to-commit-76b95cf-contain) (high, CVSS 7.5, published 9 Oct 2026)
- [CVE-2026-75351: OpENer out-of-bounds read in ForwardOpen connection-path parser](https://junglewise.ai/threats/cve-2026-75351-opener-v2-3-commit-76b95cf-contains-an-out-of-bounds-read-in-the) (high, CVSS 7.5, published 9 Oct 2026)
- [CVE-2026-10703: EIPStackGroup OpENer use after free in CreateMessageRouterRequestStructure](https://junglewise.ai/threats/cve-2026-10703-eipstackgroup-opener-use-after-free-in) (medium, CVSS 6.3, published 3 Jun 2026)
- [CVE-2026-38719: EIPStackGroup OpENer out-of-bounds read in CPF parser](https://junglewise.ai/threats/cve-2026-38719-eipstackgroup-opener-out-of-bounds-read-in-cpf-parser) (medium, CVSS 6.2, published 18 May 2026)
- [CVE-2026-51541: EIPStackGroup OpENer out-of-bounds read in CIP message parsing](https://junglewise.ai/threats/cve-2026-51541-eipstackgroup-opener-out-of-bounds-read-in-cip-message-parsing) (info, CVSS 7.5, published 13 Jul 2026)

## Vulnerabilities per week

Nothing in the last four weeks, down from 8 vulnerabilities in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 8 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## EIPStackGroup technologies

- [EIPStackGroup OpENer](https://junglewise.ai/threats/technologies/opener): 17 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "EIPStackGroup vulnerabilities", https://junglewise.ai/threats/vendors/eipstackgroup, 9 November 2026.