CVE-2019-20074
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 · uneditedOn Netis DL4323 devices, any user role can view sensitive information, such as a user password or the FTP password, via the form2saveConf.cgi page.
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 DL4323 router has an information disclosure vulnerability in the form2saveConf.cgi web interface. The page exposes sensitive configuration data including user passwords and FTP passwords without proper authorization checks, allowing any authenticated user (regardless of privilege level) to retrieve plaintext credentials.
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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/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 router modelCheck the device label or log into the web interface and locate the model number displayed on the status or system pageAffected if The model shows Netis Systems DL4343
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Confirm web interface is accessibleAttempt to access the router's web interface on its LAN IP address (typically 192.168.1.1) using a browserAffected if The router login page loads successfully
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Verify vulnerable endpoint existsNavigate to the form2saveConf.cgi endpoint by entering the full URL (for example, http://192.168.1.1/cgi/form2saveConf.cgi) in a browser after authenticationAffected if The page loads and displays configuration data
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Check for credential exposureExamine the page source or content returned by form2saveConf.cgi for plaintext passwords - look for fields labeled user password, FTP password, or similar credential stringsAffected if Plaintext passwords or sensitive configuration data are visible without elevated privileges
If you are running a Netis DL4343 router with the web interface accessible and form2saveConf.cgi returns configuration data containing plaintext credentials, your environment is affected by this vulnerability.
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 dataApply vendor firmware updates when available. In the interim, restrict network access to the router's administrative interface using firewall rules or network segmentation, and change exposed credentials immediately.
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2019-20074 — 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-2019-20074 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