Out-of-bounds write in BIOS Driver (fbiosdrv.sys) - CVE-2025-65001
Published: February 27, 2026
Vulnerability identifier: #VU123328
CSH Severity: Low
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-65001
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input. A remote administrator can trigger an out-of-bounds write and execute arbitrary code on the target system.
Affected software
BIOS Driver (fbiosdrv.sys)
How to mitigate CVE-2025-65001
Install updates from vendor's website.
BIOS Driver (fbiosdrv.sys) - update to 2.5.0.0