CVE-2022-36330
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 · uneditedA buffer overflow vulnerability was discovered on firmware version validation that could lead to an unauthenticated remote code execution in Western Digital My Cloud Home, My Cloud Home Duo and SanDisk ibi devices. An attacker would require exploitation of another vulnerability to raise their privileges in order to exploit this buffer overflow vulnerability. This issue affects My Cloud Home and My Cloud Home Duo: before 9.4.0-191; ibi: before 9.4.0-191.
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 confidenceA buffer overflow vulnerability exists in the firmware version validation component of Western Digital My Cloud Home, My Cloud Home Duo, and SanDisk ibi devices. This flaw can be exploited to achieve unauthenticated remote code execution, although privilege escalation through another vulnerability is required first.
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< 9.4.0-191< 9.4.0-191< 9.4.0-191CVSS 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
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:H/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 modelLocate the device label or access the device management interface to confirm the exact model name (My Cloud Home, My Cloud Home Duo, or SanDisk ibi)Affected if The device is NOT one of these three models, then this CVE does not apply
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Check the installed firmware versionAccess the device settings or admin interface and navigate to the firmware or system information section to view the current firmware version numberAffected if The firmware version cannot be determined or is less than 9.4.0-191
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Compare firmware version to affected rangeCompare the installed firmware version number against the affected range of versions prior to 9.4.0-191Affected if The installed firmware version is lower than 9.4.0-191 (for example, 9.4.0-190, 9.3.0-xxx, or any earlier version)
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Verify the version validation component is accessibleConfirm the device firmware version validation component is present and accessible on the device (typically accessible via the web interface or API endpoint that reports firmware information)Affected if The version validation component exists and the firmware version is below 9.4.0-191, indicating potential exposure to the buffer overflow flaw
A user is affected if they are running a Western Digital My Cloud Home, My Cloud Home Duo, or SanDisk ibi device with firmware version earlier than 9.4.0-191 on the version validation component.
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 · scoped9.4.0-191
Update firmware to version 9.4.0-191 or later on all affected devices.
9.4.0-191 or later
- Identify your specific device model (My Cloud Home, My Cloud Home Duo, or SanDisk ibi)
- Check the current firmware version in the device settings or admin interface
- Navigate to the official Western Digital support website (www.westerndigital.com) and locate the firmware download section for your device
- Download firmware version 9.4.0-191 or later for your specific device model
- Follow the manufacturer's instructions to apply the firmware update, typically through the device's web interface or a dedicated update utility
- After the update completes, verify the firmware version has been updated to 9.4.0-191 or later
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 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-2022-36330 — 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-2022-36330 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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