CVE-2026-51541

OpENer version 2.3.0 (commit 76b95cf) contains an out-of-bounds read vulnerability during CIP message parsing . The flaw exists when handling malformed explicit requests where an attacker provides a forged EPath size . By sending a valid ENIP SendRRData frame with a short CIP payload but a large ...

CVE-2026-51538

EIPStackGroup OpENer version 2.3.0 (commit 76b95cf) is vulnerable to an Incorrect Access Control flaw in its handling of encapsulation sessions. The server fails to verify if a provided session_handle is associated with the specific TCP connection issuing the request, as there is no strong bindin...

PT-2026-57911

Name of the Vulnerable Software and Affected Versions OpENer version 2.3.0 master branch up to commit 76b95cf Description A severe memory corruption issue exists due to an integer underflow during the processing of connected explicit messages within the SendUnitData function. An integer underflow...

CVE-2026-51541

OpENer 2.3.0 commit 76b95cf has an out-of-bounds read issue in CIP message parsing when handling malformed explicit requests with a forged EPath size. An attacker can send a valid ENIP SendRRData frame carrying a very short CIP payload whose pathsize field claims that many more path words are...

PT-2026-57877

Name of the Vulnerable Software and Affected Versions EIPStackGroup OpENer version 2.3.0 commit 76b95cf Description Incorrect access control exists in the handling of encapsulation sessions. When the server processes critical encapsulation commands, it verifies if the session handle exists in the...

CVE-2026-10703

A security vulnerability has been detected in EIPStackGroup OpENer up to 2.3.0. Affected is the function CreateMessageRouterRequestStructure of the file cipmessagerouter.c of the component SendRRData Handler. The manipulation leads to use after free. Remote exploitation of the attack is possible...

CVE-2026-10703

A security vulnerability has been detected in EIPStackGroup OpENer up to 2.3.0. Affected is the function CreateMessageRouterRequestStructure of the file cipmessagerouter.c of the component SendRRData Handler. The manipulation leads to use after free. Remote exploitation of the attack is possible...

CVE-2026-10703

A security vulnerability has been detected in EIPStackGroup OpENer up to 2.3.0. Affected is the function CreateMessageRouterRequestStructure of the file cipmessagerouter.c of the component SendRRData Handler. The manipulation leads to use after free. Remote exploitation of the attack is possible...

CVE-2026-10703 EIPStackGroup OpENer SendRRData cipmessagerouter.c CreateMessageRouterRequestStructure use after free

A security vulnerability has been detected in EIPStackGroup OpENer up to 2.3.0. Affected is the function CreateMessageRouterRequestStructure of the file cipmessagerouter.c of the component SendRRData Handler. The manipulation leads to use after free. Remote exploitation of the attack is possible...

CVE-2026-10703 EIPStackGroup OpENer SendRRData cipmessagerouter.c CreateMessageRouterRequestStructure use after free

A security vulnerability has been detected in EIPStackGroup OpENer up to 2.3.0. Affected is the function CreateMessageRouterRequestStructure of the file cipmessagerouter.c of the component SendRRData Handler. The manipulation leads to use after free. Remote exploitation of the attack is possible...

EUVD-2026-34062

A security vulnerability has been detected in EIPStackGroup OpENer up to 2.3.0. Affected is the function CreateMessageRouterRequestStructure of the file cipmessagerouter.c of the component SendRRData Handler. The manipulation leads to use after free. Remote exploitation of the attack is possible...

CVE-2026-10703 EIPStackGroup OpENer SendRRData cipmessagerouter.c CreateMessageRouterRequestStructure use after free

A security vulnerability has been detected in EIPStackGroup OpENer up to 2.3.0. Affected is the function CreateMessageRouterRequestStructure of the file cipmessagerouter.c of the component SendRRData Handler. The manipulation leads to use after free. Remote exploitation of the attack is possible...

CVE-2026-10703

CVE-2026-10703 affects EIPStackGroup OpENer

PT-2026-45897

A security vulnerability has been detected in EIPStackGroup OpENer up to 2.3.0. Affected is the function CreateMessageRouterRequestStructure of the file cipmessagerouter.c of the component SendRRData Handler. The manipulation leads to use after free. Remote exploitation of the attack is possible...

OpENer 缓冲区错误漏洞

OpENer is an open-source industrial Ethernet protocol stack developed by the EIP Stack Group, supporting connections for I/O devices. Version OpENer v2.3-558-g1e99582 contains a buffer error vulnerability. This vulnerability stems from an out-of-bounds read in the CreateCommonPacketFormatStructur...

CVE-2021-27478

A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may cause a denial-of-service condition...

EUVD-2020-5777

Malware in sbrugna...

CVE-2022-32434

EIPStackGroup OpENer v2.3.0 was discovered to contain a stack overflow via /bin/posix/src/ports/POSIX/OpENer+0x56073d...

EIPStackGroup OpENer 缓冲区错误漏洞

EIPStackGroup OpENer is a software from the EIPStackGroup organization for providing EtherNet/IP stacking functionality to IO adapter devices . A buffer error vulnerability exists in EIPStackGroup OpENer version 58ee13c, which stems from a vulnerability in the use of an uninitialized pointer in t...

EIP Stack Group OpENer 缓冲区错误漏洞

Eipstackgroup Opener is a software used by the Eipstackgroup organization to provide EtherNet/IP stack functionality to IO adapter devices . A security vulnerability exists in EIP Stack Group OpENer 2.3 that stems from a specially crafted network request that could result in an out-of-bounds read...