QtsOperating system · Qnap

CVE-2017-10700

CRITICAL · 9.8 CVSS v3.0 Published 2017-09-19
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click

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 · unedited
In the medialibrary component in QNAP NAS 4.3.3.0229, an un-authenticated, remote attacker can execute arbitrary system commands as the root user of the NAS application.

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 confidence

A command injection vulnerability exists in the medialibrary component of QNAP NAS firmware version 4.3.3.0229. An unauthenticated remote attacker can send specially crafted requests to the medialibrary service to execute arbitrary system commands with root privileges, allowing complete compromise of the NAS device.

MitigationApply the QNAP firmware update that addresses this vulnerability; if patching is delayed, restrict network access to the NAS management interfaces using firewall rules or place the device behind a VPN.

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
QtsOperating system
Affected:= 4.3.3.0229

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
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 checks

Work through these to decide whether this CVE applies to you.

  1. Check QNAP firmware version
    Access the QNAP admin web interface, go to Control Panel > System > Firmware Update, or SSH into the NAS and run: `cat /proc/version` or `nvram get ver` to retrieve the installed firmware version
    Affected if The installed firmware version is exactly 4.3.3.0229
  2. Verify medialibrary service status
    SSH into the NAS and check if the medialibrary service is running. Use command: `ps aux | grep -i medialib` or check service status via `/etc/init.d/thumbnails.sh status`
    Affected if The medialibrary service is running and enabled on the device
  3. Confirm network accessibility of medialibrary port
    Check which ports the medialibrary service is listening on. Use `netstat -tulpn | grep -i media` or `lsof -i :<port>` to identify open ports related to medialibrary
    Affected if The medialibrary service is exposed on an accessible network port (typically 8080 or 9000 for web services)
  4. Check for recent unauthorized access
    Review QNAP access logs in the admin interface under System Logs > Access Logs for unusual requests to /medialibrary endpoints or API paths from unknown IP addresses
    Affected if Suspicious requests to medialibrary endpoints appear in the access logs from unauthenticated sources

A QNAP NAS is affected if it runs firmware version 4.3.3.0229 AND has the medialibrary service enabled and network-accessible, making it vulnerable to unauthenticated command injection attacks.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply the QNAP firmware update that addresses this vulnerability; if patching is delayed, restrict network access to the NAS management interfaces using firewall rules or place the device behind a VPN.

Fix this in Qts Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing2.0 h
  • Review / QA2.0 h
10.0 hours of engineering $1,780
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Scan for this in your stack

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dbcve dependency scanner

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2017-10700 in production — separate from our analysis above.

No notes yet

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What this is

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.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
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