CVE-2019-19398
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 · uneditedM5 lite 10 with versions of 8.0.0.182(C00) have an insufficient input validation vulnerability. Due to the input validation logic is incorrect, an attacker can exploit this vulnerability to modify the memory of the device by doing a series of operations. Successful exploit may lead to malicious code execution.
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 M5 lite 10 tablet versions 8.0.0.182(C00) contain an insufficient input validation vulnerability in their input processing logic. This flaw allows an attacker to manipulate memory through a series of crafted operations, potentially achieving arbitrary code execution on the device.
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= 8.0.0.182\(c00\)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
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/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 modelVerify the device is a Huawei M5 Lite 10 tablet by checking the device settings under About Phone or by examining the device labelAffected if The device is not a Huawei M5 Lite 10 tablet, then it is not affected by this specific CVE
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Check the firmware versionNavigate to Settings > About Phone > Version on the device, or use ADB command 'adb shell getprop ro.build.version.emui' to retrieve the firmware build numberAffected if The installed firmware version is exactly 8.0.0.182(C00), then the device is affected by this vulnerability
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Verify input processing functionality is accessibleExamine whether the device has input processing features enabled, such as stylus input, handwriting recognition, or custom input handlers in Settings > Language & InputAffected if Input processing features are actively enabled and user-accessible, providing an attack surface for the vulnerability to be exploited
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Look for indicators of compromiseReview device logs (adb logcat) for suspicious memory manipulation patterns, unexpected processes, or signs of arbitrary code execution activityAffected if Unusual memory operations, unauthorized processes, or unexpected system behavior is observed in logs or performance metrics
A user is affected if they are running the Huawei M5 Lite 10 tablet with firmware version exactly 8.0.0.182(C00) and the device's input processing features are accessible or have been used.
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. If no patch exists, isolate affected devices on restricted network segments and implement additional monitoring for exploitation attempts.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,600.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2019-19398 — 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-2019-19398 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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