9.1

CVE-2026-51537

Exploit
EIPStackGroup OpENer 2.3.0 (commit 76b95cf) has an out-of-bounds read issue in Connection Manager handling of ForwardOpen requests when processing short malformed packets. An attacker can send a valid ENIP outer frame carrying a malformed CIP ForwardOpen/LargeForwardOpen request, causing the parser to continue reading fields even when request data is insufficient. This issue is remotely triggerable via network traffic and does not require authentication.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Opener Project ≫ Opener Version2.3.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.48% 0.391
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
CISA-ADP 9.1 3.9 5.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

https://github.com/EIPStackGroup/OpENer/issues/564
Vendor Advisory
Exploit
Issue Tracking
https://gist.github.com/MrAlaskan/a5fb0fb7765c9df80d28220ed558f04e
Third Party Advisory