CVE-2024-23842
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 in Hitron Systems DVR LGUVR-16H 1.02~4.02 allows an attacker to cause network attack in case of using defalut admin ID/PW.
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 · moderate confidenceImproper input validation in Hitron Systems DVR LGUVR-16H firmware versions 1.02 through 4.02 allows attackers to craft malicious input that can be leveraged for network-based attacks, particularly when the default administrative credentials remain unchanged.
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>= 1.03, < 4.03CVSS 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
- None
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 DVR administration interface or check the device label to confirm the model is Hitron LGUVR-16HAffected if The device model is not LGUVR-16H
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Check firmware versionNavigate to the DVR system settings or administration page, typically found under 'System Info', 'About', or 'Firmware' in the web interface, and note the installed firmware versionAffected if Firmware version is 1.03 through 4.02 (inclusive)
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Verify default credentials statusAttempt to log into the DVR admin interface using the default credentials (check product documentation for factory default username and password, commonly admin/admin or admin/1234)Affected if Default administrative username and password are still active and allow authentication
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Assess network exposureCheck if the DVR management interface is accessible from untrusted networks by attempting to reach the device IP from an external network or reviewing firewall rulesAffected if The DVR admin interface is reachable from untrusted network segments or the internet
You are affected if the device is a Hitron LGUVR-16H with firmware between 1.03 and 4.02 that is accessible over a network using default administrative credentials.
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 data4.03
Change the default admin username and password immediately; if available, apply vendor firmware update addressing input validation; network segment the device to limit exposure.
- Consultation4.0 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 $4,304.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-23842 — 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-2024-23842 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