What is CVE-2025-20055?

CVE-2025-20055 is a critical-severity vulnerability in Y's Corporation Stealthone D220, classified under OS Command Injection. CVSS score: 9.8/10. Published 2025-01-14.

How severe is CVE-2025-20055?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2025-20055 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Y's Corporation Stealthone D220

CVE-2025-20055

OS command injection vulnerability exists in network storage servers STEALTHONE D220/D340 provided by Y'S corporation. An attacker who can access the affected product may execute an arbitrary OS command.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.011 (62.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Y's Corporation Stealthone D220 — versions firmware v6.03.02 and earlier
Y's Corporation Stealthone D340 — versions firmware v6.03.02 and earlier

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

Frequently asked questions

What is CVE-2025-20055?: CVE-2025-20055 is a critical-severity vulnerability in Y's Corporation Stealthone D220, classified under OS Command Injection. CVSS score: 9.8/10. Published 2025-01-14.
How severe is CVE-2025-20055?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-20055 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.