CVE-2025-22833
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 · uneditedAPTIOV contains a vulnerability in BIOS where an attacker may cause a Buffer Copy without Checking Size of Input by local accessing. Successful exploitation of this vulnerability may lead to arbitrary 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 confidenceAPTIOV BIOS firmware contains a buffer overflow vulnerability where the system copies data into a buffer without validating the input size, allowing a local attacker to execute arbitrary code. The high CVSS score reflects the severity of code execution at the firmware level.
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>= 5.0, < 5.041CVSS 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
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/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 BIOS vendor and firmware versionUse system information tools (dmidecode -s bios-version on Linux, msinfo32 on Windows, or check the BIOS/UEFI setup screen) to retrieve the BIOS vendor and firmware version stringAffected if The BIOS vendor is listed as AMI (American Megatrends) and the firmware is identified as Aptio V
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Confirm Aptio V firmware lineageCheck the BIOS information to confirm it is Ami Aptio V firmware (often labeled as 'AMI Aptio V' or similar in BIOS revision or firmware branding)Affected if The firmware is confirmed as Ami Aptio V (not another Aptio version or different BIOS provider)
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Compare version against affected rangeExtract the full version number (e.g., 5.0xx, 5.01, 5.031) and compare numerically against the vulnerable range: versions 5.0 through 5.040.x are affected; version 5.041 and later are patchedAffected if The installed version is 5.0.x, 5.01.x, 5.02x, 5.03x, or 5.04x (any version >= 5.0 but < 5.041)
A system is affected if it runs Ami Aptio V firmware version 5.0 or any 5.0x-5.04x version prior to the 5.041 patch release.
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 · scoped5.041
Apply the vendor-provided BIOS/firmware update to affected systems. In enterprise environments, use validated firmware deployment processes and test updates on representative hardware before broad rollout.
Aptio V 5.041 or later
- Obtain the fixed BIOS firmware (version 5.041 or later) from AMI's security advisory at go.ami.com or from your system motherboard/BIOS vendor
- Download the appropriate BIOS update package for your specific hardware model from the vendor's support website
- Follow the vendor's standard BIOS update procedure - this typically involves either: a) Creating a bootable USB drive with the BIOS update and flashing from BIOS setup, or b) Running the BIOS update utility from the operating system
- Reboot the system and enter BIOS setup to confirm the installed BIOS version is 5.041 or later
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation6.0 h
- Implementation12.0 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-2025-22833 — 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-2025-22833 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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