CVE-2025-33045 Legacy Serial Redirection SMRAM Vulnerabilities
A privileged local user can exploit BIOS vulnerabilities to disclose sensitive information and write arbitrary data, compromising system integrity.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-33045?
CVE-2025-33045 is a high-severity vulnerability in AMI AptioV, published on 9 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
APTIOV contains vulnerabilities in the BIOS where a privileged user may cause “Write-what-where Condition” and “Exposure of Sensitive Information to an Unauthorized Actor” through local access. The successful exploitation of these vulnerabilities can lead to information disclosure, arbitrary data writing, and impact Confidentiality, Integrity, and Availability.
Which versions are affected by CVE-2025-33045?
It affects 1 product.
Products include Ami Aptio V.
How do I fix CVE-2025-33045?
No fix has been published for CVE-2025-33045 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-33045 being exploited?
There is no known exploitation of CVE-2025-33045 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-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.
- CVE-2024-33656 Memory Leak in SmmComuptrace Module
Sources
Also known as GHSA-9m5j-r52w-m9v5.