CVE-2019-5271
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 · uneditedThere is an information leak vulnerability in Huawei smart speaker Myna. When the smart speaker is paired with the cloud through Wi-Fi, the speaker incorrectly processes some data. Attackers can exploit this vulnerability to read and modify specific configurations of speakers through a series of operations.
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 Huawei Myna smart speaker has an information leak vulnerability where the device incorrectly processes certain data during Wi-Fi cloud pairing. An attacker can exploit this to read and modify specific speaker configurations through a series of operations.
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= 9.0.1.9\(h100sp6c00\)= 9.0.1.10\(h100sp5c00\)= 9.0.1.10\(h100sp8c00\)= 9.0.1.10\(h100sp10c00\)= 9.0.1.10\(h100sp11c00\)= 9.0.1.10\(h100sp12c00\)CVSS 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
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/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 device firmware versionAccess the Huawei Myna speaker settings through its companion mobile app, web interface, or device system menu to retrieve the installed firmware version numberAffected if The firmware version matches one of the affected versions: 9.0.1.9(h100sp6c00), 9.0.1.10(h100sp5c00), 9.0.1.10(h100sp8c00), 9.0.1.10(h100sp10c00), 9.0.1.10(h100sp11c00), or 9.0.1.10(h100sp12c00)
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Verify Wi-Fi cloud pairing statusCheck the device settings to determine whether the Wi-Fi cloud pairing feature is enabled on the Myna speakerAffected if Wi-Fi cloud pairing is currently enabled on the device
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Inspect speaker configuration filesIf SSH or telnet access is available, examine the configuration files stored on the device for any unusual or unexpected entries related to cloud pairing settings or sensitive parametersAffected if Configuration files contain unexpected modifications or expose sensitive data that should not be accessible
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Review network exposureCheck the network topology and firewall rules to determine if the smart speaker is directly accessible from untrusted networks or the internetAffected if The device has direct exposure to untrusted networks without proper network segmentation or firewall protection
The device is affected if it runs any of the listed firmware versions and has Wi-Fi cloud pairing enabled, as this combination allows the information leak to be exploited.
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-supplied firmware updates when available. Until then, restrict network exposure of the smart speaker and monitor for unauthorized configuration changes.
- Consultation4.0 h
- Implementation16.0 h
- Testing8.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2019-5271 — 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-2019-5271 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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