CVE-2019-3413
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 · uneditedAll versions up to V20.18.40.R7.B1of ZTE NetNumen DAP product have an XSS vulnerability. Due to the lack of correct validation of client data in WEB applications, which results in users being hijacked.
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 confidenceCross-Site Scripting (XSS) vulnerability in ZTE NetNumen DAP web interface. Due to lack of proper input validation on client-supplied data in the WEB application, an attacker can inject malicious scripts that execute in the context of other users' browsers, leading to session hijacking.
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<= 20.18.40.r7.b1CVSS 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
- Low
- User interaction
- Required
- Scope
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/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 the installed productAccess the device or firmware management interface and locate the product name. Confirm it is ZTE NetNumen DAP.Affected if The product is not ZTE NetNumen DAP
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Check the firmware versionNavigate to the web interface system settings or use the CLI command to display firmware version information. Look for a version number comparable to 20.18.40.r7.b1.Affected if The firmware version is 20.18.40.r7.b1 or lower
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Verify the web interface is accessibleConfirm the NetNumen DAP web interface is reachable on the network via HTTP/HTTPS.Affected if The web interface is not exposed or not accessible
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Inspect user input fields in the web applicationLog into the web interface and locate fields that accept user-supplied data (such as search boxes, configuration inputs, or name/description fields).Affected if The web interface contains user input fields that lack proper validation indicators
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Review for existing XSS indicatorsCheck web application logs or monitoring tools for unusual script tags or unexpected JavaScript execution patterns in user input fields.Affected if Suspicious script injection patterns are found in logs or traffic
The environment is affected if it runs ZTE NetNumen DAP firmware version 20.18.40.r7.b1 or lower and exposes the web interface with unvalidated user input fields.
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 dataImplement proper input validation and output encoding across all user input fields in the web application. Once vendor patch is available, apply it per ZTE's recommended upgrade path.
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 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 $3,984.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2019-3413 — 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-2019-3413 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