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TI-2026-09202 Aliases CVE-2026-10703GHSA-vm9p-5mrq-6w5f

EIPStackGroup OpENer SendRRData cipmessagerouter.c CreateMessageRouterRequestStructure use after free

Priority MEDIUM 57CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00243 15th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
EIPStackGroupOpENer2.0; 2.1; 2.2; 2.3.0—No fix listedCNA
  • OpENer VendorEIPStackGroup Affected 2.0; 2.1; 2.2; 2.3.0 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:eipstackgroup:opener:*:*:*:*:*:*:*:*———
  • cpe:2.3:a:eipstackgroup:opener:*:*:*:*:*:*:*:* Versions — — ·—

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-10703
  2. 2026-10-03 Alias added: GHSA-vm9p-5mrq-6w5f

References

Exploit 1

Other 2

  • TI-2026-37502 OpENer 2.3.0 (master branch up to commit 76b95cf) is vulnerable to a severe memory… CVSS 3.1CRITICAL 9.8
  • TI-2022-21373 Out-of-bounds write in EIPStackGroup OpENer CVSS 3.1CRITICAL 10.0
  • TI-2022-21372 Out-of-bounds write in EIPStackGroup OpENer CVSS 3.1CRITICAL 10.0
  • TI-2026-37503 OpENer 2.3.0 (commit 76b95cf) has an out-of-bounds read issue in CIP message parsing when… CVSS 3.1CRITICAL 9.1
  • TI-2026-37500 EIPStackGroup OpENer 2.3.0 (commit 76b95cf) suffers from an Incorrect Access Control… CVSS 3.1CRITICAL 9.1
  • TI-2026-37499 EIPStackGroup OpENer 2.3.0 (commit 76b95cf) has an out-of-bounds read issue in Connection… CVSS 3.1CRITICAL 9.1
See all 16 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences