Buffer overflow in Eipstackgroup Opener

CVE-2026-10703

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…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (14.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-10703?
CVE-2026-10703 is a medium-severity vulnerability in Eipstackgroup Opener, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.3/10. Published 2026-06-03.
How severe is CVE-2026-10703?
Medium severity. CVSS v3 base score is 6.3 out of 10.