CVE-2023-52547
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 · uneditedHuawei Matebook D16(Model: CREM-WXX9, BIOS: v2.26. Memory Corruption in SMI Handler of HddPassword SMM Module. This can be leveraged by a malicious OS attacker to corrupt data structures stored at the beginning of SMRAM and can potentially lead to code execution in SMM.
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 confidenceMemory corruption vulnerability in the HDD Password SMI (System Management Interrupt) handler in Huawei Matebook D16 BIOS v2.26 allows a local attacker with OS-level privileges to corrupt data structures stored at the beginning of SMRAM (System Management RAM), potentially achieving arbitrary code execution in System Management Mode (SMM) which operates at ring -2 privilege level above the OS.
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= ota-curiem-bios-2.29CVSS 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
- Local
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:L/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 your device model and firmware platformDetermine if your system is a Huawei Matebook D16 or uses the Huawei Curiem Wfg9b firmware platform. Check system information or BIOS identification strings.Affected if Your device is a Huawei Matebook D16 or uses Curiem Wfg9b firmware
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Check installed BIOS firmware versionAccess BIOS/UEFI setup or use system information tools to retrieve the current BIOS firmware version. Compare against version ota-curiem-bios-2.29.Affected if The installed BIOS version equals ota-curiem-bios-2.29 (exact match)
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Verify HDD Password feature configurationEnter BIOS/UEFI setup and navigate to security settings. Inspect whether HDD Password or Storage Security features are enabled or configured.Affected if HDD Password feature is enabled or a password is set for storage security in BIOS
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Assess OS-level access exposureReview system audit logs and account permissions to determine whether untrusted local users or code have OS-level (ring 0) privileges on the system.Affected if Untrusted users or code have OS-level privileges on the machine
You are affected if your device uses Huawei Curiem Wfg9b firmware at exactly version 2.29, has HDD Password feature enabled in BIOS, and permits untrusted code or users to run with OS-level privileges.
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 BIOS firmware update from Huawei when available. Until then, restrict physical access and minimize attack surface by preventing untrusted code or drivers from running at OS level.
- Consultation2.0 h
- Implementation3.0 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-2023-52547 — 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-2023-52547 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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