Vulnerability-Lookup

JVNDB-2026-005259

Vulnerability from jvndb - Published: 2026-03-02 02:46 - Updated:2026-03-02 02:46

Severity

8.2 (High) - cvssV3_0 - CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Summary

Out-of-bounds write vulnerability in Fujitsu BIOS Driver (fbiosdrv.sys)

Details

Fujitsu BIOS Driver (fbiosdrv.sys) provided by Fujitsu Limited contains the following vulnerability.

Out-of-bounds Write (CWE-787) - CVE-2025-65001

Fujitsu Limited reported this vulnerability to JPCERT/CC to notify users of its solution through JVN.

References

Type

URL

	JVN	https://jvn.jp/en/vu/JVNVU96854657/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2025-65001
	Out-of-bounds Write(CWE-787)	https://cwe.mitre.org/data/definitions/787.html

Impacted products

Vendor

Product

FUJITSU

Fujitsu BIOS Driver (fbiosdrv.sys)

Show details on JVN DB website

JSON

To clipboard

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  "dc:date": "2026-03-02T11:46+09:00",
  "dcterms:issued": "2026-03-02T11:46+09:00",
  "dcterms:modified": "2026-03-02T11:46+09:00",
  "description": "Fujitsu BIOS Driver (fbiosdrv.sys) provided by Fujitsu Limited contains the following vulnerability.\u003ca href=\u0027https://cwe.mitre.org/data/definitions/787.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003ca href=\u0027https://www.cve.org/CVERecord?id=CVE-2025-65001\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003cul\u003e\u003cli\u003eOut-of-bounds Write (CWE-787) - CVE-2025-65001\u003c/li\u003e\u003c/ul\u003eFujitsu Limited reported this vulnerability to JPCERT/CC to notify users of its solution through JVN.",
  "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-005259.html",
  "sec:cpe": {
    "#text": "cpe:/h:fujitsu:fbiosdrv.sys",
    "@product": "Fujitsu BIOS Driver (fbiosdrv.sys)",
    "@vendor": "FUJITSU",
    "@version": "2.2"
  },
  "sec:cvss": {
    "@score": "8.2",
    "@severity": "High",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2026-005259",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/vu/JVNVU96854657/index.html",
      "@id": "JVNVU#96854657",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2025-65001",
      "@id": "CVE-2025-65001",
      "@source": "CVE"
    },
    {
      "#text": "https://cwe.mitre.org/data/definitions/787.html",
      "@id": "CWE-787",
      "@title": "Out-of-bounds Write(CWE-787)"
    }
  ],
  "title": "Out-of-bounds write vulnerability in Fujitsu BIOS Driver (fbiosdrv.sys)"
}

CVE-2025-65001 (GCVE-0-2025-65001)

Vulnerability from cvelistv5 – Published: 2025-11-12 00:00 – Updated: 2026-02-25 05:24

Summary

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

Severity

8.2 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-11-13 15:49 UTC

CWE

CWE-787 - Out-of-bounds Write

Assigner

mitre mitre root

References

3 references

URL	Tags
https://security.ts.fujitsu.com/ProductSecurity/c…
https://hexaplex.ai
https://ydinkin.substack.com/p/200-kernel-bugs-in…

Impacted products

1 product

Vendor	Product	Version
Fujitsu	fbiosdrv.sys	Affected: 0 , < 2.5.0.0 (custom)

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

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