VulnerabilityDeferred
CVE-2026-75345
OpENer v2.3.0 / commit 76b95cf contains an out-of-bounds read in the unconnected explicit messaging path.
HIGH 7.5EPSS 0.54%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.54%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
OpENer v2.3.0 / commit 76b95cf contains an out-of-bounds read in the unconnected explicit messaging path. This allows a remote attacker to cause a denial of service.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.54% probability · 45th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Source
- cve@mitre.org
EPSS moved from 0.5% on 10 October 2026 to 0.5% on 26 October 2026.
References
- https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/cip/cipcommon.c
- https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/cip/cipmessagerouter.c
- https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/cip/ciptcpipinterface.c
- https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/enet_encap/endianconv.c
- https://github.com/EIPStackGroup/OpENer/issues/569
- https://github.com/EIPStackGroup/OpENer/tree/76b95cf
- https://github.com/EIPStackGroup/OpENer/issues/569
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.