Vulnerability · Published Oct 9, 2026 · Assigned by mitre
CVE-2026-75349
High 7.5
In plain English
A high-severity uncontrolled resource consumption in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.5%top 60.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
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
- https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/cip/cipmessagerouter.c
- https://github.com/EIPStackGroup/OpENer/issues/577
- https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/cip/cipconnectionmanager.c
- https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/enet_encap/cpf.c
- https://github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/enet_encap/encap.c