SEPTEMBER 13, 2026
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Case File

CVE-2026-51539

HIGH · CVSS 7.5 EPSS 0.34% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-07-13 · Last synced 2026-08-12

CyberRota Analysis

AI-Generated

A Denial of Service vulnerability in libmodbus 3.1.12 on Windows allows attackers to exploit improper timeout management in the receive loop, potentially leading to service interruptions. Organizations utilizing this library in their applications should prioritize patching to mitigate the risk of downtime and ensure service availability.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
gist.github.com ↗ github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-51539
Severity
HIGH
CVSS
7.5
EPSS
0.34%
Windows

Original NVD 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.