CVE-2019-19356
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 · uneditedNetis WF2419 is vulnerable to authenticated Remote Code Execution (RCE) as root through the router Web management page. The vulnerability has been found in firmware version V1.2.31805 and V2.2.36123. After one is connected to this page, it is possible to execute system commands as root through the tracert diagnostic tool because of lack of user input sanitizing.
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 confidenceThe Netis WF2419 router contains an authenticated RCE vulnerability in its web management interface. Attackers with valid credentials can inject arbitrary system commands through the tracert diagnostic tool due to insufficient input sanitization, allowing execution as the root user.
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= 1.2.31805= 2.2.36123CVSS 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
- High
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:H/PR:L/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 router modelAccess the router web interface or check the device label to confirm it is a Netis Systems WF2419 routerAffected if The device is not a Netis WF2419 router - this CVE only applies to that specific model
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Check the firmware versionLog into the router web management interface and navigate to System Status or Firmware Upgrade page to view the current firmware version. Alternatively, check the administration page for firmware informationAffected if The installed firmware version is either 1.2.31805 or 2.2.36123 exactly
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Verify the web management interface is enabledAttempt to access the router web interface on the default IP (typically 192.168.1.1) via HTTP on port 80 or 443Affected if The web management interface is accessible and responds to authentication requests
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Confirm the tracert diagnostic feature existsLog into the router web interface and look for a Diagnostics, Tools, or Network Diagnostics section that includes a traceroute (tracert) functionAffected if The tracert diagnostic tool is present and accessible to authenticated users
The environment is affected only if you have a Netis WF2419 router running firmware version 1.2.31805 or 2.2.36123 with the web management interface enabled and accessible to an authenticated user who can access the tracert diagnostic feature.
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 dataIf a vendor firmware patch is available, update immediately. Otherwise, restrict access to the router's web management interface to trusted networks or disable remote administration to reduce attack surface.
- Consultation2.0 h
- Implementation1.0 h
- Testing2.0 h
- Review / QA1.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2019-19356 — 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-2019-19356 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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