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CVE-2026-51539

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.

libmodbus是libmodbus团队开源的一款基于Modbus协议通信的库。 Stéphane Raimbault libmodbus 3.1.12版本存在安全漏洞，该漏洞源于在Windows上运行时的网络读取操作中超时管理不当，可能导致拒绝服务攻击。

AI Predicted 5.3 Difficulty: Easy 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-2026-51539

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A Denial of Service (DoS) vulnerability exists in the receive loop of libmodbus 3.1.12 when running on Windows. The issue stems from improper timeout management during network read operations.
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
Stéphane Raimbault libmodbus 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libmodbus是libmodbus团队开源的一款基于Modbus协议通信的库。 Stéphane Raimbault libmodbus 3.1.12版本存在安全漏洞，该漏洞源于在Windows上运行时的网络读取操作中超时管理不当，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-2026-51539

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III. Intelligence Information for CVE-2026-51539

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Proof of Concept for CVE-2026-51539 (2)

Same Patch Batch · n/a · 2026-07-13 · 15 CVEs total

CVE-2026-15516 5.6 MEDIUM MacCMS Pro Installation Index.php step5 authorization
CVE-2026-15530 5.3 MEDIUM WuzhiCMS Attachment API index.php listimage information disclosure
CVE-2026-15533 4.7 MEDIUM DedeCMS Column Management search.php code injection
CVE-2026-15605 3.1 LOW wandb Artifact Integrity Validation hashutil.py ArtifactManifestEntry.download weak hash
CVE-2026-26396 OpenBMB XAgent 路径遍历漏洞
CVE-2025-45869 LogicalDOC Enterprise 服务端请求伪造漏洞
CVE-2026-52533 D-Link DIR-1253 安全漏洞
CVE-2026-51536 EIPStackGroup OpENer 安全漏洞
CVE-2026-51821 Shenzhou Shihan Technology Video Conference System 安全漏洞
CVE-2026-51537 EIPStackGroup OpENer 安全漏洞
CVE-2026-51538 EIPStackGroup OpENer 安全漏洞
CVE-2026-51541 EIPStackGroup OpENer 安全漏洞
CVE-2026-51540 EIPStackGroup OpENer 安全漏洞
CVE-2026-39042 MikroTik RouterOS 安全漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-51539

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