CVE-2026-51539

EUVD-2026-43605
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 39.8%
Common Weakness Enumeration
References
https://gist.github.com/MrAlaskan/f22dcf01a5dd90da1b191fcee9043a32
https://github.com/stephane/libmodbus/issues/843