CVE-2021-37911
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 · uneditedThe management interface of BenQ smart wireless conference projector does not properly control user's privilege. Attackers can access any system directory of this device through the interface and execute arbitrary commands if he enters the local subnetwork.
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 BenQ smart wireless conference projector management interface suffers from improper privilege control, allowing authenticated or unauthenticated attackers on the local subnetwork to access any system directory and execute arbitrary commands. This is a broken access control vulnerability in the web-based admin interface.
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<= 01.00.30.00CVSS 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
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:A/AC:L/PR:N/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 modelAccess the projector's web management interface or check the physical device label to confirm it is a BenQ Eh600 model.Affected if The device is not a BenQ Eh600, then this CVE does not apply.
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Check the firmware versionLog into the web-based admin interface and navigate to the system information or firmware version section. Compare the installed firmware version against 01.00.30.00.Affected if The installed firmware version is 01.00.30.00 or lower.
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Verify the web management interface is enabledAttempt to access the projector web interface by entering the device IP address in a web browser. Confirm the login page loads successfully.Affected if The web management interface is accessible and responds to requests.
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Determine network exposureCheck the network configuration to determine if the device is on a shared local subnetwork where unauthorized users could potentially reach it. Identify whether the device management interface is accessible from network segments other than a dedicated management VLAN.Affected if The device is accessible from a local subnetwork where untrusted users or devices are present.
A user is affected if they have a BenQ Eh600 projector with firmware version 01.00.30.00 or lower, with the web management interface enabled and accessible from a local subnetwork where attackers could reach the device.
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 dataIf vendor firmware update available, apply it immediately. Otherwise, isolate the device on a dedicated VLAN with strict access controls, restrict network access to the management interface, and monitor for unauthorized access attempts.
- Consultation3.0 h
- Implementation2.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-37911 — 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-2021-37911 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
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