CVE-2025-22833 FixupArray Pointer Validation in NTFS
A local attacker can exploit a buffer overflow in AMI AptioV BIOS to achieve arbitrary code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-22833?
CVE-2025-22833 is a medium-severity memory corruption vulnerability in AMI AptioV, published on 14 Oct 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
APTIOV 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.
Weakness: CWE-787
Which versions are affected by CVE-2025-22833?
It affects 1 product.
Products include Ami Aptio V.
How do I fix CVE-2025-22833?
No fix has been published for CVE-2025-22833 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-22833 being exploited?
There is no known exploitation of CVE-2025-22833 in the wild and no public exploit code.
Other vulnerabilities in AMI AptioV
- CVE-2022-40250 Stack overflow vulnerability in SMI handler on SmmSmbiosElog.
- CVE-2025-33045 Legacy Serial Redirection SMRAM Vulnerabilities
- CVE-2022-26873 Memory corruption in Aptio
- CVE-2022-40261 SMM memory corruption vulnerability in OverClockSmiHandler SMM driver
- CVE-2022-40262 The arbitrary write vulnerability in S3Resume2Pei leads to arbitrary code execution during PEI phase.
Sources
Also known as GHSA-r8fm-c9h2-4jg9.