CVE-2026-51539

HIGH

libmodbus 3.1.12 - Denial of Service via Improper Timeout Management in Receive Loop

Title source: llm
STIX 2.1

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.

References (2)

Core 2

Scores

CVSS v3 7.5
EPSS 0.0034
EPSS Percentile 27.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-400
Status published
Published Jul 13, 2026
Tracked Since Jul 14, 2026