Insecure DLL loading in Pioneer Corporation products - CVE-2026-21427
Published: January 8, 2026
Vulnerability identifier: #VU121093
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2026-21427
CWE-ID: CWE-427
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Pioneer Corporation
Affected software:
USB DAC Amplifier APS-DA101JS
USB DAC Amplifier APS-DA101JR
USB DAC Amplifier APS-DA101JGL
USB DAC Amplifier APS-DA101JGR
Stellanova Lite APS-S201JS
Stellanova Lite APS-S201JR
Stellanova Lite APS-S201JGL
Stellanova Lite APS-S201JGR
Stelllanova Limited APS-S202J-LM
Stelllanova APS-S301 Series
USB DAC Amplifier APS-DA101JS
USB DAC Amplifier APS-DA101JR
USB DAC Amplifier APS-DA101JGL
USB DAC Amplifier APS-DA101JGR
Stellanova Lite APS-S201JS
Stellanova Lite APS-S201JR
Stellanova Lite APS-S201JGL
Stellanova Lite APS-S201JGR
Stelllanova Limited APS-S202J-LM
Stelllanova APS-S301 Series
Detailed vulnerability description
The vulnerability allows a local attacker to compromise vulnerable system.
The vulnerability exists due to the application loads DLL libraries in an insecure manner. A local attacker can place a specially crafted .dll file and execute arbitrary code on the target system.
How to mitigate CVE-2026-21427
Install updates from vendor's website.