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CVE-2026-35553

Quick assessment

Affected
Dynabook Inc. TOSRFEC.SYS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Dynabook Bluetooth ACPI是日本Dynabook公司的一个用于管理蓝牙硬件电源与设备状态的系统接口组件。 Dynabook Bluetooth ACPI存在安全漏洞，该漏洞源于栈缓冲区溢出，可能导致执行任意代码。

CVSS 6.7 · Medium EPSS 0.15% · P4
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I. Basic Information for CVE-2026-35553

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Bluetooth ACPI Drivers provided by Dynabook Inc. contain a stack-based buffer overflow vulnerability. An attacker may execute arbitrary code by modifying certain registry values.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Dynabook Bluetooth ACPI 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dynabook Bluetooth ACPI是日本Dynabook公司的一个用于管理蓝牙硬件电源与设备状态的系统接口组件。 Dynabook Bluetooth ACPI存在安全漏洞，该漏洞源于栈缓冲区溢出，可能导致执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Dynabook Inc. TOSRFEC.SYS all versions -
Dynabook Inc. DRFEC.SYS v11.0.0.0 and earlier -

II. Public POCs for CVE-2026-35553

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-35553

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Vendor Advisories for CVE-2026-35553 (1)

IV. Related Vulnerabilities

Same vendor: Dynabook Inc.
Same weakness: CWE-121