Critical 9.3Published Aug 28, 2025

CVE-2025-53970SS1 Ver.16.0.0.10 and earlier (Media version:16.0.0a and earlier) allows a remote unauthenticated attacker to upload arbitrary files and execute OS commands with SYSTEM privileges.

Updated under an hour ago (Oct 28, 2026, 12:50 AM ET)

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It affects DOS Co., Ltd. SS1 and 1 other product. Add what you run to find out whether that includes you.

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Every CVE for DOS Co., Ltd. SS1

Exploited in the last 30 days

SS1 Ver.16.0.0.10 and earlier (Media version:16.0.0a and earlier) allows a remote unauthenticated attacker to upload arbitrary files and execute OS commands with SYSTEM privileges.

CVSS: 9.3 CRITICAL (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness (CWE): CWE-434
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: jpcert
NVD analysis: Deferred
Record last updated: Aug 28, 2025
First seen by InfoSec Signals: Oct 18, 2026

Affected products

Affected products

DOS Co., Ltd. SS1 dos:ss1 (from the name)	Ver.16.0.0.10 and earlier (Media version:16.0.0a and earlier) (Affected under Windows environment only)	CNA record
DOS Co., Ltd. SS1 Cloud dos:ss1_cloud (from the name)	Ver.2.1.3 and earlier (Affected under Windows environment only)	CNA record

References

References

https://www.dos-osaka.co.jp/news/2025/08/250827.html
https://jvn.jp/en/jp/JVN99577552/

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.