CVE-2020-7842
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 · uneditedImproper Input validation vulnerability exists in Netis Korea D'live AP which could cause arbitrary command injection and execution when the time setting (using ntpServerlp1 parameter) for the users. This affects D'live set-top box AP(WF2429TB) v1.1.10.
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 confidenceImproper input validation in the NTP server parameter (ntpServerlp1) of the Netis Korea D'live WF2429TB set-top box AP firmware v1.1.10 allows attackers to inject and execute arbitrary operating system commands by providing malicious input during time configuration.
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= 1.1.10CVSS 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
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:H/PR:H/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 device modelAccess the device administrative interface or check device labeling to confirm the model is Netis Korea D'live WF2429TBAffected if Device model is WF2429TB and firmware version is 1.1.10
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Check firmware versionNavigate to the device admin panel (typically via web browser at the device's IP address) and look for a Firmware Version or Status page, or use the command: `cat /proc/version` or `cat /etc/version` if you have shell accessAffected if Firmware version is exactly 1.1.10
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Verify NTP configuration feature existsLog into the device admin interface and locate the Time/Time Settings/NTP configuration section where the ntpServerlp1 parameter can be setAffected if NTP server configuration feature is present and accessible on the device
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Confirm network exposure of admin interfaceCheck if the device administrative web interface is reachable from untrusted networks (non-LAN IPs) by attempting to access the device IP from an external network or reviewing firewall rulesAffected if Admin interface is exposed to untrusted networks and device firmware is version 1.1.10
You are affected if you are running firmware version 1.1.10 on a Netis Korea D'live WF2429TB device with its administrative interface accessible (even locally) and the NTP configuration feature is present.
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 update when available; as an interim control, restrict network access to the device's administrative interface and disable remote management if possible.
- Consultation4.0 h
- Implementation2.0 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 $3,152.
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Free · runs locallyCheck whether your project pulls in CVE-2020-7842 — 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-2020-7842 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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- Version or environment caveats, and links to real fixes
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