CVE-2019-25721
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedDräger Infinity M300 patient worn monitors with software version VG2.3.1 and earlier contain a network-based denial of service vulnerability that allows network-adjacent attackers to repeatedly trigger device reboots by sending malicious requests over the Infinity Network. Attackers can exploit this vulnerability to force the device into a fail state requiring manual restart, causing loss of wireless connectivity and interruption of patient monitoring functionality.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceDräger Infinity M300 patient monitors running software VG2.3.1 and earlier contain a network-based denial of service vulnerability where adjacent attackers can send malicious requests over the Infinity Network to repeatedly trigger device reboots. This forces the device into a fail state requiring manual restart, resulting in loss of wireless connectivity and interruption of patient monitoring.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Adjacent
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Confirm device is Dräger Infinity M300Inspect the physical device label or access the device management interface to verify the model is Infinity M300 patient monitorAffected if Device model is not Infinity M300
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Check software versionAccess the device system information or settings menu and identify the software version number (displayed as VGx.x)Affected if Software version is VG2.3.1 or earlier
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Assess Infinity Network exposureReview network segmentation and firewall configurations to determine if the Infinity Network protocol interface is accessible from untrusted or guest network segmentsAffected if Infinity Network interface is reachable from adjacent untrusted networks
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Look for reboot anomaliesReview device event logs or network management systems for repeated unexpected shutdowns, boot cycles, or loss of wireless connectivity eventsAffected if Device shows repeated unexplained reboots or frequent connectivity interruptions
Environment is affected if you have Infinity M300 monitors running VG2.3.1 or earlier with the Infinity Network protocol exposed to adjacent network attackers.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataIsolate Infinity Network segments from untrusted networks and restrict adjacency access; if available, upgrade to a patched software version beyond VG2.3.1. Implement network monitoring to detect repeated reboot patterns indicative of exploitation.
- Consultation6.0 h
- Implementation12.0 h
- Testing8.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2019-25721 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2019-25721 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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