Vulnerability in Pioneer Corporation Stellanova Aps-S301 Series
CVE-2026-21427
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.
EPSS: 0.002 (7.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Pioneer Corporation Stellanova Aps-s301 Series — versions all versions
- Pioneer Corporation Stellanova Limited Aps-s202j-lm — versions all versions
- Pioneer Corporation Stellanova Lite Aps-s201jgl — versions all versions
- Pioneer Corporation Stellanova Lite Aps-s201jgr — versions all versions
- Pioneer Corporation Stellanova Lite Aps-s201jr — versions all versions
- Pioneer Corporation Stellanova Lite Aps-s201js — versions all versions
- Pioneer Corporation Usb Dac Amplifier Aps-da101jgl — versions all versions
- Pioneer Corporation Usb Dac Amplifier Aps-da101jgr — versions all versions
- Pioneer Corporation Usb Dac Amplifier Aps-da101jr — versions all versions
- Pioneer Corporation Usb Dac Amplifier Aps-da101js — versions all versions
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-21427?
- CVE-2026-21427 is a high-severity vulnerability in Pioneer Corporation Stellanova Aps-S301 Series, classified under Uncontrolled Search Path Element. CVSS score: 7.8/10. Published 2026-01-08.
- How severe is CVE-2026-21427?
- High severity. CVSS v3 base score is 7.8 out of 10.