CVE-2024-41720
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 · uneditedIncorrect permission assignment for critical resource issue exists in ZWX-2000CSW2-HN firmware versions prior to Ver.0.3.15, which may allow a network-adjacent authenticated attacker to alter the configuration of the device.
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 confidenceThe ZWX-2000CSW2-HN device has an incorrect permission assignment vulnerability in firmware versions prior to Ver.0.3.15. A network-adjacent authenticated attacker can exploit this flaw to alter the device's configuration, likely due to improper access control enforcement that allows authenticated users to modify settings they should not have privileges to change.
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< 0.3.15CVSS 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
- Adjacent
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:A/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 the device model on your networkLocate the ZWX-2000CSW2-HN device on your network and confirm the exact model number through the device's web interface, physical label, or network discovery. Note the IP address or hostname for subsequent checks.Affected if The device is a Zexelon ZWX-2000CSW2-HN model.
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Check the installed firmware versionAccess the device's web administration interface (typically via HTTP/HTTPS to the device's IP address) and navigate to the System Information, About, or Firmware version page. Alternatively, check the device's console or administrative panel for a firmware version display. Record the exact version string shown.Affected if The displayed firmware version is lower than 0.3.15 (for example, 0.3.14, 0.3.10, or any version starting with 0.3.x where x is less than 15).
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Verify if default or low-privilege accounts existReview the user management or accounts section of the device's web interface. Look for any user accounts with limited privileges, guest accounts, or standard user roles that should have restricted access to configuration settings.Affected if The device has multiple user accounts with different privilege levels configured.
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Check for accessible configuration modification pathsLog in with a standard or low-privilege user account (if one exists) and attempt to access or modify system configuration settings such as network parameters, security settings, or administrative options that should normally require elevated privileges.Affected if A low-privilege or standard user account can access or modify settings that should be restricted to administrator-level roles.
You are affected if the device is a ZWX-2000CSW2-HN with firmware version prior to 0.3.15, as this version range contains the incorrect permission assignment vulnerability that allows authenticated users to modify settings outside their intended privileges.
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.
dbcve · scoped0.3.15
Update the device firmware to Ver.0.3.15 or later to obtain the corrected permission assignments. If immediate update is not possible, restrict network access to trusted users and monitor for unauthorized configuration changes.
ZWX-2000CSW2-HN firmware Ver.0.3.15
- Check the current firmware version of the ZWX-2000CSW2-HN device through the device's administrative interface or console
- Download firmware version 0.3.15 or later from the official Zexelon vendor website (www.zexelon.co.jp)
- Access the device's web-based management interface or firmware update utility
- Upload and apply the firmware version 0.3.15 or later following the vendor's documented upgrade procedure
- After the device restarts, verify the firmware has been updated to version 0.3.15 or later
- Confirm the device is functioning normally and test that configuration changes work as expected
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation3.0 h
- Testing4.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-41720 — 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-2024-41720 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
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