CVE-2019-16271
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 · uneditedDTEN D5 and D7 before 1.3.2 devices allows remote attackers to read saved whiteboard image PDF documents via storage/emulated/0/Notes/PDF on TCP port 8080 without authentication.
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 · high confidenceUnauthenticated directory traversal vulnerability in DTEN D5 and D7 video conferencing devices before firmware 1.3.2 allows remote attackers to read stored PDF whiteboard documents via TCP port 8080 by accessing the /storage/emulated/0/Notes/PDF path without any authentication credentials.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data< 1.3.2< 1.3.2CVSS 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
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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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Identify DTEN device modelLocate the device model number on the physical device label, packaging, or check the device's web interface/system settings for the model identifierAffected if The device is a DTEN D5 or DTEN D7 video conferencing system
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Check installed firmware versionAccess the device settings or web admin interface and locate the firmware version information, typically found under System, About, or Settings menuAffected if Firmware version is displayed as less than 1.3.2 (for example, 1.3.1, 1.3.0, or any earlier version)
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Verify port 8080 is exposedUse a network scanning tool such as nmap (nmap -p 8080 <device-ip>) or netcat (nc -zv <device-ip> 8080) to check if TCP port 8080 is open and accepting connectionsAffected if Port 8080 is open and responding on the DTEN device
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Test unauthenticated PDF path accessAttempt to access http://<device-ip>:8080/storage/emulated/0/Notes/PDF using a web browser or curl command without providing any authentication credentialsAffected if The URL returns PDF files, directory listing, or any HTTP response other than an authentication error or 404
A user is affected if they have a DTEN D5 or D7 device running firmware below version 1.3.2 with TCP port 8080 accessible on the network and the /storage/emulated/0/Notes/PDF path returns content without authentication.
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 data1.3.2
Update affected DTEN devices to firmware version 1.3.2 or later. As a compensating control, restrict network access to port 8080 through firewall rules or network segmentation until patching is complete.
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2019-16271 — 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-2019-16271 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
- No spam, self-promotion, credentials, or personal data