EIPStackGroup OpENer 2.3 EtherNet/IP ForwardOpen connection-path parser out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k5.48-

Summaryinfo

A vulnerability classified as problematic was found in EIPStackGroup OpENer 2.3. This impacts the function ForwardOpen connection-path parser of the component EtherNet/IP ForwardOpen connection-path parser. Executing a manipulation can lead to out-of-bounds. This vulnerability is handled as CVE-2026-75351. The attack can be executed remotely. There is not any exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in EIPStackGroup OpENer 2.3. It has been declared as problematic. This vulnerability affects the function ForwardOpen connection-path parser of the component EtherNet/IP ForwardOpen connection-path parser. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. CVE summarizes:

OpENer v2.3/commit 76b95cf, contains an out-of-bounds read in the server-side EtherNet/IP ForwardOpen connection-path parser. This allows a remote attacker to cause a denial of service.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-75351 since 08/17/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available.

Applying the patch 76b95cf is able to eliminate this problem.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 76b95cf

Timelineinfo

08/17/2026 CVE reserved
10/09/2026 +53 days Advisory disclosed
10/09/2026 +0 days VulDB entry created
10/09/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-75351 (🔒)
GCVE (CVE): GCVE-0-2026-75351
GCVE (VulDB): GCVE-100-415996

Entryinfo

Created: 10/09/2026 20:45
Changes: 10/09/2026 20:45 (56)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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