CVE-2025-20055

CRITICALNVD 9.89.8—

9.8

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.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 83.2%
KEV: Not listed

Published

January 14, 2025

Last Modified

April 15, 2026

Advisory Details (2)

Auto-updated May 19, 2026

No patch confirmed yet.

generic

D220/D340「v6.03.03」及びD440「v7.00.11」ファームウェアをリリース致します | ワイズのネットワークソリューション機器『STEALTH ONE』

https://stealthone.net/product_info/d220-d340%e3%80%8cv6-03-03%e3%80%8d%e5%8f%8a%e3%81%b3d440%e3%80%8cv7-00-11%e3%80%8d%e3%83%95%e3%82%a1%e3%83%bc%e3%83%a0%e3%82%a6%e3%82%a7%e3%82%a2%e3%82%92%e3%83%aa%e3%83%aa%e3%83%bc%e3%82%b9%e8%87%b4/

generic

JVNVU#99653331: Multiple vulnerabilities in STEALTHONE D220/D340/D440

https://jvn.jp/en/vu/JVNVU99653331/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-78OS Command Injection

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:16 UTCEPSS rescore
2026-06-08 14:16 UTCEPSS rescore
2026-06-07 15:24 UTCEPSS rescore
2026-06-06 13:47 UTCEPSS rescore
2026-06-06 13:47 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 06:10 UTCEPSS rescore
2026-06-05 06:10 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore
2026-05-31 00:16 UTCEPSS rescore
2026-05-31 00:16 UTCEPSS rescore
2026-05-29 13:44 UTCEPSS rescore

Frequently asked(5)

What is CVE-2025-20055?

CVE-2025-20055 is a critical vulnerability published on January 14, 2025. 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.

When was CVE-2025-20055 disclosed?

CVE-2025-20055 was first published in the National Vulnerability Database on January 14, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-20055 actively exploited?

CVE-2025-20055 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 83.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-20055?

CVE-2025-20055 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2025-20055?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-20055, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2025-20055

📅 Published

🔄 Last Modified

📋 Advisory Details (2)