Fujitsu fbiosdrv.sys up to 2.4.x out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Fujitsu fbiosdrv.sys up to 2.4.x. The affected element is an unknown function. Such manipulation leads to out-of-bounds write. This vulnerability is listed as CVE-2025-65001. The attack must be carried out locally. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Fujitsu fbiosdrv.sys up to 2.4.x. Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Fujitsu fbiosdrv.sys before 2.5.0.0 allows an attacker to potentially affect system confidentiality, integrity, and availability.

The advisory is shared for download at security.ts.fujitsu.com. This vulnerability is handled as CVE-2025-65001 since 11/12/2025. The exploitation is known to be easy. The attack needs to be approached locally. Additional levels of successful authentication are necessary for exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version 2.5.0.0 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.3

VulDB Base Score: 6.7
VulDB Temp Score: 6.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.2
CNA Vector (MITRE): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: fbiosdrv.sys 2.5.0.0

Timelineinfo

11/12/2025 Advisory disclosed
11/12/2025 +0 days CVE reserved
11/12/2025 +0 days VulDB entry created
11/12/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: FCCL-2025-072319
Status: Confirmed

CVE: CVE-2025-65001 (🔒)
GCVE (CVE): GCVE-0-2025-65001
GCVE (VulDB): GCVE-100-332228

Entryinfo

Created: 11/12/2025 20:19
Changes: 11/12/2025 20:19 (64)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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