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CVE-2026-51535

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

EIPStackGroup OpENer是EIPStackGroup的一款开源的 EtherNet/IP 协议栈，专为 I/O 适配器设备设计，支持多 I/O 和显式连接，帮助开发者快速构建符合 ODVA 规范的 EtherNet/IP 合规产品。 EIPStackGroup OpENer 2.3.0版本存在安全漏洞，该漏洞源于网络处理循环中的资源耗尽问题，可能导致拒绝服务攻击。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.49% · P40

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a n/a n/a affected
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I. Basic Information for CVE-2026-51535

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In OpENer 2.3.0 (commit 76b95cf), a resource exhaustion (Denial of Service) vulnerability exists in its network processing loop.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
EIPStackGroup OpENer 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
EIPStackGroup OpENer是EIPStackGroup的一款开源的 EtherNet/IP 协议栈，专为 I/O 适配器设备设计，支持多 I/O 和显式连接，帮助开发者快速构建符合 ODVA 规范的 EtherNet/IP 合规产品。 EIPStackGroup OpENer 2.3.0版本存在安全漏洞，该漏洞源于网络处理循环中的资源耗尽问题，可能导致拒绝服务攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2026-51535

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-51535

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Proof of Concept for CVE-2026-51535 (1)

News Coverage for CVE-2026-51535 (1)

Same Patch Batch · n/a · 2026-07-08 · 15 CVEs total

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CVE-2026-24698 Cisco RV110W 命令注入漏洞
CVE-2026-24700 Cisco RV110W 命令注入漏洞
CVE-2026-24697 Cisco RV110W 命令注入漏洞
CVE-2026-24699 Cisco RV110W 命令注入漏洞
CVE-2026-50812 SQLite 异常处理不当漏洞
CVE-2026-36027 Code27 Companion Hub 权限许可和访问控制问题漏洞
CVE-2026-36028 Code 27 Companion Hub 安全漏洞
CVE-2026-52200 u0d7i UZ801_v2.1 4G LTE Router 安全漏洞
CVE-2026-35552 CAXperts UPVWebServices 安全漏洞
CVE-2026-39178 SOGo 安全漏洞
CVE-2026-39179 SOGo SQL注入漏洞
CVE-2026-31309 Mysterium Network Mysterium Node 安全漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2026-51535

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