CVE-2026-75349
highEIPStackGroup OpENer v2.3.0/master up to commit 76b95cf contains an out-of-bounds read vulnerability in Connection Manager request parsing.
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.
CVSS
7.5
7.5 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Severity source: NVD CVSS v3.1 (cve@mitre.org)
Timeline (UTC)
Published: 2026-10-09 16:17
Modified: 2026-10-14 02:16
NVD status: Deferred
Last synced 2 days ago
Verified against the source API 2026-10-27 06:58 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/EIPStackGroup/OpENer cve@mitre.org
- https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/cip/cipconnectionmanager.c cve@mitre.org
- https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/cip/cipmessagerouter.c cve@mitre.org
- https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/enet_encap/cpf.c cve@mitre.org
- https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/enet_encap/encap.c cve@mitre.org
- https://github.com/EIPStackGroup/OpENer/issues/577 cve@mitre.org
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:58 UTC · record ↗