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CVE-2026-35227

Improper resource management in CODESYS Modbus TCP Server

An unauthenticated remote attacker may exhaust all available TCP connections in the CODESYS Modbus TCP Server stack if a race condition in connection handling is successfully exploited, preventing legitimate clients from establishing new connections.

CVSS 4.0 · 8.2 High EPSS < 1% KEV · Not listed
Vendors
Codesys
Products
Codesys Codesys Modbus