CVE-2026-75352CWE-191

CVE-2026-75352

High · published October 9, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
25.2
In the wild
Unconfirmed
What it is

OpENer v2.3/commit 76b95cf, contains an integer underflow in the server-side EtherNet/IP ForwardOpen connection-path parser. 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
0.00332 · 25.2th percentile
Weakness
CWE-191 · Integer Underflow (Wrap or Wraparound)
Published
2026-10-09T23:16Z
References (3)
https://github.com/EIPStackGroup/OpENer · [email protected]https://github.com/EIPStackGroup/OpENer/issues/571 · [email protected]https://github.com/EIPStackGroup/OpENer/issues/571 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 11 OCT 03:31Z
    EPSS moved — → 0%
    epss
  • 09 OCT 00:00Z
    OpENer v2.3/commit 76b95cf, contains an integer underflow in the server-side EtherNet/IP ForwardOpen connection-path parser
    cvelistv5
  • 09 OCT 00:00Z
    OpENer v2.3/commit 76b95cf, contains an integer underflow in the server-side EtherNet/IP ForwardOpen connection-path parser
    cvelistv5