Sunway ForceControl version 6.1 SP3 and earlier contains a stack-based buffer overflow vulnerability in the SNMP NetDBServer service, which listens on TCP port 2001. The flaw is triggered when the service receives a specially crafted packet using opcode 0x57 with an overly long payload. Due to improper bounds checking during packet parsing, attacker-controlled data overwrites the Structured Exception Handler (SEH), allowing arbitrary code execution in the context of the service. This vulnerability can be exploited remotely without authentication and may lead to full system compromise on affected Windows hosts.
Security readout for executives and security teams
Sunway ForceControl installations up to 6.1 SP3 may allow unauthenticated remote takeover of a Windows host through the SNMP NetDBServer service on TCP 2001. This is critical for industrial environments because the vulnerable service is part of SCADA software and compromise may affect operational systems. Exposure is likely limited to organizations running Sunway ForceControl 6.1 SP3 or earlier, especially where TCP 2001 is reachable from untrusted networks. Internet exposure would materially increase risk, but the provided sources do not quantify exposed systems. Treat this as urgent for any operational technology environment using Sunway ForceControl. Prioritize isolation and exposure reduction first, then validate version status and vendor-supported remediation. Do not assume active exploitation, but public exploit availability raises the practical risk. Mitigation focus: Identify all Sunway ForceControl deployments and confirm product version.; Restrict TCP 2001 to trusted management networks only.; Disable or isolate NetDBServer if it is not operationally required..
Prepared
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
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cwe · low confidence lookup
CWE-121: Exact CWE lookup
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1CVSS vectors
3Timeline events
1ADP providers
6Source links
SSVC decision data
CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: total
CVSS vector scores
1 official score
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CWE-121 · source CWE mapping
Stack-based Buffer Overflow
Stack-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.