CVE-2026-75346 json
An out-of-bounds read vulnerability exists in EIPStackGroup OpENer v2.3 and master through commit 76b95cf in the server-side CIP SetAttribu…
published 2026-10-09 31 d ago modified 2026-10-09 30 d ago also EUVD-2026-95901
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 45%
- public exploits
- 0
- none known
Summary
An out-of-bounds read vulnerability exists in EIPStackGroup OpENer v2.3 and master through commit 76b95cf in the server-side CIP SetAttributeList service. This allows a remote attacker to cause a denial of service
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2026-75346 updated cvss 7.5
OpENer: OpENer: Denial of Service via out-of-bounds read in CIP SetAttributeList service
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Red Hat All currently supported Red Hat productsnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 30 d ago
Exploit prediction
0.54% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/EIPStackGroup/OpENer/issues/572 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Classification
- Weakness
-
- CWE-125 Out-of-bounds Read
References
-
github.com
/EIPStackGroup/OpENer/issues/572
exploit
- github.com /EIPStackGroup/OpENer
- github.com /EIPStackGroup/OpENer/blob/master/source/src/cip/cipcommon.c
- github.com /EIPStackGroup/OpENer/blob/master/source/src/cip/ciptypes.c
- github.com /EIPStackGroup/OpENer/blob/master/source/src/enet_encap/endianconv.c
- github.com /EIPStackGroup/OpENer/blob/master/source/src/cip/cipidentity.c
Sources
- CVE List CVE-2026-75346
- NVD CVE-2026-75346
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