Samsung HVAC DMS
Plan Patch8.3ICS-CERT ICSA-25-210-02Jul 29, 2025
Attack VectorAdjacent
Auth RequiredNone
ComplexityLow
User InteractionNone needed
Summary
Samsung HVAC DMS versions 2.0.0–2.3.12.x, 2.5.0.17–2.6.13.x, and 2.7.0.15–2.9.3.4 contain multiple vulnerabilities (CWE-698 Execution with Unnecessary Privileges, CWE-502 Deserialization of Untrusted Data, CWE-36 and CWE-22/23 Path Traversal) that allow unauthenticated remote code execution. The product is designed for isolated, dedicated networks only and should never be connected to the Internet or business intranet. Samsung states no public exploitation has been reported to date, though these vulnerabilities have a high attack complexity.
What this means
What could happen
An unauthenticated attacker with network access to the Samsung HVAC DMS could execute arbitrary code and take control of the building's heating, ventilation, and air conditioning system, potentially disrupting climate control operations or damaging equipment.
Who's at risk
Building facilities managers, HVAC contractors, and municipal/commercial property operators running Samsung HVAC Distributed Management Systems (DMS) in versions 2.0.0 through 2.9.3.4 should assess exposure immediately. This affects any organization using Samsung HVAC DMS for central plant or zone-based climate control across medium to large facilities.
How it could be exploited
An attacker on the same network segment as the HVAC DMS could send specially crafted unauthenticated requests to exploit deserialization and path traversal flaws in the DMS software, allowing remote code execution without credentials or user interaction.
Prerequisites
- Network access to the Samsung HVAC DMS device (same network segment or via internet if exposed)
- No authentication required
- Device must be running one of the affected firmware versions (2.0.0–2.3.12.x, 2.5.0.17–2.6.13.x, or 2.7.0.15–2.9.3.4)
Remotely exploitableNo authentication requiredAffects HVAC control systems (critical building operations)No patch currently available for affected versionsMultiple CWEs indicating unsafe deserialization and path traversal
Exploitability
Low exploit probability (EPSS 0.4%)
Affected products (3)
3 EOL
ProductAffected VersionsFix Status
Samsung HVAC DMS: >=2.0.0|<2.3.13.0≥ 2.0.0|<2.3.13.0No fix (EOL)
Samsung HVAC DMS: >=2.5.0.17|<2.6.14.0≥ 2.5.0.17|<2.6.14.0No fix (EOL)
Samsung HVAC DMS: >=2.7.0.15|<2.9.3.5≥ 2.7.0.15|<2.9.3.5No fix (EOL)
Remediation & Mitigation
0/5
Do now
0/2WORKAROUNDDisconnect the HVAC DMS from the Internet and any intranet connections; operate it only on a dedicated, isolated network segment with no external connectivity
HARDENINGImplement network firewall rules to restrict access to the HVAC DMS to only authorized engineering workstations and control room traffic; block any inbound connections from the Internet or business network
Schedule — requires maintenance window
0/3Patching may require device reboot — plan for process interruption
HOTFIXContact Samsung call center or authorized installer to request and deploy available firmware update for your specific HVAC DMS version
HARDENINGSegment the HVAC DMS onto a dedicated control network physically or logically separated from business IT networks and the Internet
HARDENINGIf remote access to the HVAC DMS is required for monitoring or maintenance, use a VPN with strong authentication and keep the VPN software updated; ensure connected devices are patched
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API:
/api/v1/advisories/3f15a7a8-55aa-4ad4-ae3d-ce5be3b9a309