CVE-2016-1000009
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 · uneditedTP-LINK lost control of two domains, www.tplinklogin.net and tplinkextender.net. Please note that these domains are physically printed on many of the devices.
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 confidenceTP-LINK lost administrative control of two domains (www.tplinklogin.net and tplinkextender.net) that are hardcoded and physically printed on their network devices. Attackers who now control these domains can perform man-in-the-middle attacks, intercept credentials, redirect traffic, or push malicious firmware updates to any device that contacts these domains for authentication or firmware checks.
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 dataall versionsCVSS 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
- None
- Integrity
- High
- Availability
- None
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/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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Inventory TP-LINK network devicesScan your network for TP-LINK devices by identifying MAC addresses with OUI prefixes (typically starting with 14-CC-20 or 50-C7-BF for TP-LINK), or use network discovery tools to identify device manufacturers and modelsAffected if Any TP-LINK device is present on your network
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Monitor DNS queries for compromised domainsCapture DNS traffic or review DNS server logs for queries to www.tplinklogin.net and tplinkextender.net using packet capture tools or network loggingAffected if Devices are resolving either www.tplinklogin.net or tplinkextender.net
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Inspect network traffic to suspect domainsReview firewall logs, proxy logs, or network packet captures for outbound HTTP/HTTPS connections to www.tplinklogin.net or tplinkextender.netAffected if Outbound connections to these domains are observed from your devices
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Check device configuration for hardcoded domainsAccess device admin interfaces or configuration backups and search for references to www.tplinklogin.net or tplinkextender.net in DNS settings, firmware update URLs, or authentication endpointsAffected if These domains are hardcoded in device configuration or firmware
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Analyze firmware update trafficMonitor network traffic during firmware update checks or look for HTTP requests to these domains containing firmware-related paths or user-agent patternsAffected if Devices contact these domains during firmware update or authentication processes
A defender is affected if any TP-LINK device on their network contacts www.tplinklogin.net or tplinkextender.net for authentication, firmware updates, or other network operations, as traffic to these domains can be intercepted by 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 dataOrganizations should identify affected TP-LINK devices in their environment, disable network access to these compromised domains where possible, monitor for suspicious traffic to these domains, and apply any available firmware updates from TP-LINK that address domain hardcoding.
- Consultation8.0 h
- Implementation40.0 h
- Testing24.0 h
- Review / QA12.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $23,296.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2016-1000009 — 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-2016-1000009 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