CVE-2026-75349
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
7.5
Description
EIPStackGroup OpENer v2.3.0/master up to commit 76b95cf contains an out-of-bounds read vulnerability in Connection Manager request parsing. This allows a remote attacker to cause a denial of service.
Predictions
Exploit likelihood
83%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- https://github.com/EIPStackGroup/OpENer
- https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/cip/cipconnectionmanager.c
- https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/cip/cipmessagerouter.c
- https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/enet_encap/cpf.c
- https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/enet_encap/encap.c
- https://github.com/EIPStackGroup/OpENer/issues/577
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.