CVE-2016-4325
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 · uneditedLantronix xPrintServer devices with firmware before 5.0.1-65 have hardcoded credentials, which allows remote attackers to obtain root access via unspecified vectors.
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 confidenceLantronix xPrintServer devices running firmware versions prior to 5.0.1-65 contain hardcoded credentials embedded in the firmware. Attackers with network access can use these credentials to authenticate to the device and execute commands with root privileges, achieving full remote compromise of the device.
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<= 3.3.0CVSS 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
- High
- Integrity
- High
- Availability
- High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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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Identify the device modelLocate the physical device or check network inventory for Lantronix xPrintServer. Look for manufacturer labels on the device or check the administrative web interface for device information.Affected if The device is a Lantronix xPrintServer model
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Check the firmware versionAccess the device web interface (typically via HTTP/HTTPS) or use the command-line interface if available. Look for a firmware version or software version field in the system information or status page.Affected if The displayed firmware version is 3.3.0 or lower
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Compare version to affected rangeIf you cannot access the web interface, check any documentation, network management systems, or backup configurations that may contain the firmware version. Compare the installed version against the affected range of <= 3.3.0.Affected if The firmware version is 3.3.0 or any version number lower than 3.3.0
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Assess network exposureReview firewall rules, network segmentation, and access control lists to determine if the xPrintServer device is accessible from networks outside your trusted internal network (such as the internet or guest networks).Affected if The device has direct network access from untrusted external networks without firewall protection
You are affected if you have a Lantronix xPrintServer device running firmware version 3.3.0 or lower and that device is network-accessible from untrusted networks.
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.
dbcve · scopedApply firmware version 5.0.1-65 or later to all affected xPrintServer devices. If updating is not possible immediately, restrict network access to these devices using firewall rules or network segmentation to prevent unauthorized external access.
Firmware version 5.0.1-65 or later
- Identify the exact xPrintServer model number via device label or management interface
- Access the device's web-based management console or serial console
- Navigate to the firmware upgrade or system settings section
- Check the current firmware version to confirm it is <= 3.3.0 or before 5.0.1-65
- Obtain the latest firmware from Lantronix official support website (version 5.0.1-65 or later)
- Follow the vendor's published firmware upgrade procedure to apply the update
- Verify the firmware version has been updated successfully post-upgrade
- Change any default credentials post-upgrade if prompted
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,600.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2016-4325 — 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-2016-4325 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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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- 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