Is CVE-2026-75347 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-75347?

CVE-2026-75347 has a CVSS v3 severity of HIGH (7.5).

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CVE-2026-75347

Description

EIPStackGroup OpENer v2.3 and master up to commit 76b95cf contain an expired pointer dereference vulnerability in the EtherNet/IP Common Packet Format (CPF) handling logic. This allows a remote attacker to cause a denial of service.