What’s Vulnerable › Vulnerabilities

CVE-2026-75345

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-09 · updated 2026-10-13
• Weakness: CWE-400

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.

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

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