CVE-2024-40091
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 · uneditedVilo 5 Mesh WiFi System <= 5.16.1.33 lacks authentication in the Boa webserver, which allows remote, unauthenticated attackers to retrieve logs with sensitive system.
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 Vilo 5 Mesh WiFi System firmware versions 5.16.1.33 and earlier contains the Boa webserver configured without authentication, allowing any remote attacker to access system logs containing sensitive information without 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 data<= 5.16.1.33CVSS 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
- High
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/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 device modelLocate the model information on the device label, packaging, or administrative interface. Confirm it is a Vilo 5 Mesh WiFi System from Viloliving.Affected if The device is not a Vilo 5 Mesh WiFi System
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Check the firmware versionAccess the device administrative interface or check via the mobile app. Navigate to system settings or status page to view the installed firmware version. Compare your version to 5.16.1.33.Affected if The installed firmware version is 5.16.1.33 or earlier
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Verify webserver accessibilityFrom a network-connected device, attempt to access the device IP address via HTTP in a web browser. Observe whether the Boa web interface loads without prompting for any username or password.Affected if The web interface is accessible without any authentication credentials
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Check log endpoint accessTry accessing common log paths on the webserver (such as /log, /logs, /system/logs, or similar endpoints) without providing any login credentials.Affected if System logs or sensitive log data are returned without requiring authentication
If the device is a Vilo 5 Mesh WiFi System with firmware version 5.16.1.33 or earlier and the Boa web interface or log endpoints are accessible without authentication, the environment is affected by this CVE.
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 patches when available; until then, isolate affected devices on restricted network segments and monitor for unauthorized access attempts.
- Consultation6.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $6,048.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-40091 — 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-2024-40091 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