CVE-2026-21427
Quick assessment
Affected
PIONEER CORPORATION USB DAC Amplifier APS-DA101JS
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.
PIONEER USB DAC Amplifier和PIONEER Stellanova都是日本PIONEER公司的产品。PIONEER USB DAC Amplifier是一系列高保真音频设备。PIONEER Stellanova是一系列音频系统。 PIONEER USB DAC Amplifier和PIONEER Stellanova存在代码问题漏洞，该漏洞源于DLL搜索路径问题，可能导致不安全加载动态链接库。
Possible ATT&CK Techniques 1 AI
T1574.001 · DLL
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I. Basic Information for CVE-2026-21427
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The installers for multiple products provided by PIONEER CORPORATION contain an issue with the DLL search path, which may lead to insecurely loading Dynamic Link Libraries. As a result, arbitrary code may be executed with the privileges of the running installer.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
对搜索路径元素未加控制
Source: CVE Program / CVE List V5
Vulnerability Title
PIONEER USB DAC Amplifier和PIONEER Stellanova 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PIONEER USB DAC Amplifier和PIONEER Stellanova都是日本PIONEER公司的产品。PIONEER USB DAC Amplifier是一系列高保真音频设备。PIONEER Stellanova是一系列音频系统。 PIONEER USB DAC Amplifier和PIONEER Stellanova存在代码问题漏洞，该漏洞源于DLL搜索路径问题，可能导致不安全加载动态链接库。
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 |
|---|---|---|---|---|
| PIONEER CORPORATION | USB DAC Amplifier APS-DA101JS | all versions | - |
|
| PIONEER CORPORATION | USB DAC Amplifier APS-DA101JR | all versions | - |
|
| PIONEER CORPORATION | USB DAC Amplifier APS-DA101JGL | all versions | - |
|
| PIONEER CORPORATION | USB DAC Amplifier APS-DA101JGR | all versions | - |
|
| PIONEER CORPORATION | Stellanova Lite APS-S201JS | all versions | - |
|
| PIONEER CORPORATION | Stellanova Lite APS-S201JR | all versions | - |
|
| PIONEER CORPORATION | Stellanova Lite APS-S201JGL | all versions | - |
|
| PIONEER CORPORATION | Stellanova Lite APS-S201JGR | all versions | - |
|
| PIONEER CORPORATION | Stellanova Limited APS-S202J-LM | all versions | - |
|
| PIONEER CORPORATION | Stellanova APS-S301 series | all versions | - |
|
II. Public POCs for CVE-2026-21427
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-21427 (1)
Other References for CVE-2026-21427 (1)
IV. Related Vulnerabilities
Same weakness: CWE-427
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Uncontrolled Search Path Element in Qualcomm Software Center
V. Comments for CVE-2026-21427
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