CVE-2019-25724: Dräger Infinity M300 VG2.x Network-Based Denial of Service
Dräger Infinity M300 patient worn monitors with software version VG2.x and earlier contain a network-based denial of service vulnerability that allows attackers with access to the hospital or Infinity Network to repeatedly trigger device reboots until the device enters a fail state requiring manual restart. Attackers can exploit this vulnerability to cause loss of wireless network connectivity, temporary loss of patient monitoring, and interruption of alarm functionality until the device is manually recovered.
Security readout for executives and security teams
Plain-English summary
This vulnerability can let someone with access to the hospital or Infinity Network repeatedly crash Dräger Infinity M300 patient-worn monitors. The reported impact includes loss of wireless connectivity, temporary loss of patient monitoring, and interrupted alarms until staff manually recover the device.
Executive priority
Treat this as a patient-safety availability risk. Prioritize hospitals using Infinity M300 monitors, especially where network segmentation is weak or device recovery procedures are not regularly tested.
Technical view
CVE-2019-25724 is a network-based denial-of-service issue in Dräger Infinity M300 monitors. Sources describe low-complexity, unauthenticated exploitation from an adjacent hospital/Infinity Network context, causing repeated reboots and a fail state requiring manual restart. CVSS v4.0 score is 7.1 with high availability impact.
Likely exposure
Exposure is primarily inside healthcare networks where Infinity M300 devices are reachable from the hospital or Infinity Network. The provided sources do not indicate internet exposure as the expected attack path.
Exploitation context
CISA KEV status is false in the provided data, and no cited source states active exploitation. Exploitation requires network access to the hospital or Infinity Network, but does not require authentication or user interaction per the CVSS vector.
Researcher notes
The source bundle contains an inconsistency: the description says VG2.x and earlier, while the affected list includes VG2.x and VG3.0. Validate exact affected versions against Dräger’s advisory before scoping remediation. No exploit details or active exploitation evidence were provided.
Mitigation direction
Identify Infinity M300 units and recorded software versions, including VG2.x, VG3.0, and earlier entries.
Obtain and follow Dräger advisory 2019-277-02 and current vendor support guidance.
Restrict Infinity Network access to trusted clinical systems and authorized support paths.
Monitor for repeated reboots, wireless loss, alarm interruption, or fail-state events.
Ensure clinical downtime and manual recovery procedures are ready for affected monitors.
Validation and detection
Inventory all Dräger Infinity M300 devices and document software versions.
Confirm segmentation limits untrusted access to the hospital or Infinity Network.
Review clinical engineering records for repeated reboot or fail-state incidents.
Verify staff can manually recover affected monitors according to manufacturer procedures.
Check Dräger guidance for current update, service, or compensating-control instructions.
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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Uncontrolled Resource Consumption
Uncontrolled Resource Consumption represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.