CVE-2026-75347CWE-400denial-of-service

CVE-2026-75347

High · published October 9, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
35.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00422 · 35.5th percentile
Weakness
CWE-400 · Uncontrolled Resource Consumption
Published
2026-10-09T21:16Z
References (5)
https://github.com/EIPStackGroup/OpENer/blob/master/source/src/enet_encap/cpf.c · [email protected]https://github.com/EIPStackGroup/OpENer/blob/master/source/src/enet_encap/encap.c · [email protected]https://github.com/EIPStackGroup/OpENer/blob/master/source/src/ports/generic_networkhandler.c · [email protected]https://github.com/EIPStackGroup/OpENer/issues/575 · [email protected]https://github.com/EIPStackGroup/OpENer/issues/575 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 11 OCT 03:31Z
    EPSS moved — → 0%
    epss
  • 09 OCT 00:00Z
    EIPStackGroup OpENer v2.3 and master up to commit 76b95cf contain an expired pointer dereference vulnerability in the EtherNet/IP Common Packet Format (CPF)…
    cvelistv5
  • 09 OCT 00:00Z
    EIPStackGroup OpENer v2.3 and master up to commit 76b95cf contain an expired pointer dereference vulnerability in the EtherNet/IP Common Packet Format (CPF)…
    cvelistv5