What’s Vulnerable › Vulnerabilities

CVE-2026-51539

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-13 · updated 2026-07-15
• Weakness: CWE-400

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

• https://gist.github.com/MrAlaskan/f22dcf01a5dd90da1b191fcee9043a32
• https://github.com/stephane/libmodbus/issues/843

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