Vulnerability · Published Oct 9, 2026 · Assigned by mitre
CVE-2026-75346
High 7.5
In plain English
A high-severity out-of-bounds read in the affected software. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.5%top 54.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
An out-of-bounds read vulnerability exists in EIPStackGroup OpENer v2.3 and master through commit 76b95cf in the server-side CIP SetAttributeList service. This allows a remote attacker to cause a denial of service
Affected products (as reported)
Weakness: CWE-125 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://github.com/EIPStackGroup/OpENer
- https://github.com/EIPStackGroup/OpENer/issues/572
- https://github.com/EIPStackGroup/OpENer/blob/master/source/src/cip/cipcommon.c
- https://github.com/EIPStackGroup/OpENer/blob/master/source/src/cip/ciptypes.c
- https://github.com/EIPStackGroup/OpENer/blob/master/source/src/enet_encap/endianconv.c
- https://github.com/EIPStackGroup/OpENer/blob/master/source/src/cip/cipidentity.c