Vulnerability · Published Oct 9, 2026 · Assigned by mitre
CVE-2026-75345
High 7.5
In plain English
A high-severity uncontrolled resource consumption in the affected software. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.5%top 54.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-400 · Vector: CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N
References
- https://github.com/EIPStackGroup/OpENer/issues/569
- https://github.com/EIPStackGroup/OpENer/tree/76b95cf
- https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/cip/cipmessagerouter.c
- https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/cip/cipcommon.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