CVE-2010-4709: Heap-based buffer overflow in Automated Solutions Modbus/TCP Master OPC Server before 3.0.2 allows remote a...

Security readout for executives and security teams

CVE-2010-4709 affects Automated Solutions Modbus/TCP Master OPC Server before 3.0.2. A malicious Modbus response can crash the server and may allow code execution. For executives, the concern is disruption or compromise of systems that bridge industrial communications into OPC environments. Exposure is likely limited to organizations running Automated Solutions Modbus/TCP Master OPC Server before 3.0.2. The bundle does not provide asset prevalence, CPEs, or platform details, so teams must confirm installed product names and versions from OT asset inventory and server records. Treat this as a targeted OT legacy risk. It is urgent where the affected OPC server is still deployed and reachable from untrusted or weakly segmented networks; otherwise prioritize discovery and remediation during OT maintenance planning. Mitigation focus: Identify any Automated Solutions Modbus/TCP Master OPC Server deployments.; Upgrade affected servers to version 3.0.2 or later where supported.; Restrict Modbus/TCP and OPC server network exposure to trusted segments..

Prepared

Jun 28, 2026, 01:17 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.