[ CVE-2026-75346 · Published 9 Oct 2026 ]
Vulnerability
CVSS 7.5
EPSS <1%No fix listed yet
[ Why it matters ]Priority signals
- Public proof-of-concept exploit exists (CISA SSVC)
[ Description ]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
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- github.com/EIPStackGroup/OpENer
- github.com/EIPStackGroup/OpENer/blob/master/source/src/cip/cipcommon.c
- github.com/EIPStackGroup/OpENer/blob/master/source/src/cip/cipidentity.c
- github.com/EIPStackGroup/OpENer/blob/master/source/src/cip/ciptypes.c
- github.com/EIPStackGroup/OpENer/blob/master/source/src/enet_encap/endianconv.c
- github.com/EIPStackGroup/OpENer/issues/572