CVE-2026-75349
EIPStackGroup OpENer v2.3.0/master up to commit 76b95cf contains an out-of-bounds read...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
7.5
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.
- Record
CVE-2026-75349- CVSS 3.1
- 7.5 High
CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N - Weakness
- CWE-400
- Updated
- 2026-11-02
EUVDEUVD-2026-95902
7.5
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.
- Record
EUVD-2026-95902- CVSS 3.1
- 7.5 High
CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-6957-qm46-gxv7
7.5
EIPStackGroup OpENer v2.3.0/master up to commit 76b95cf contains an out-of-bounds read...
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.
- Record
GHSA-6957-qm46-gxv7- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
NVD
7.5
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.
- Record
CVE-2026-75349- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
OSV
7.5
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.
- Record
CVE-2026-75349- CVSS 3.1
- 7.5 High
CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N - Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-75349 is a high vulnerability (CVSS 7.5), published October 9, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.45%, the 39th percentile. No source names a fixed version.
References
github.com/EIPStackGroup/OpENer
github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/cip/cipmessagerouter.c
github.com/EIPStackGroup/OpENer/issues/577
github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/cip/cipconnectionmanager.c
github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/enet_encap/cpf.c
github.com/EIPStackGroup/OpENer/blob/76b95cf/source/src/enet_encap/encap.c
nvd.nist.gov/vuln/detail/CVE-2026-75349
github.com/advisories/GHSA-6957-qm46-gxv7
github.com/CVEProject/cvelistV5/tree/main/cves/2026/75xxx/CVE-2026-75349.json