Unrestricted File UploadWeakness · CWE-434

CVE-2025-54762

CRITICAL · 9.8 CVSS v3.0 Published 2025-08-28
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
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.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

This is a critical unauthenticated file upload vulnerability in SS1 version 16.0.0.10 and earlier that allows remote attackers to upload arbitrary files and execute OS commands with SYSTEM privileges, granting full control of the affected system.

MitigationImmediately upgrade to a version newer than 16.0.0.10, apply available patches, and implement network-level access controls to restrict exposure of the affected service to untrusted networks until the fix is applied.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify SS1 installed version
    Locate the SS1 application and check its version information through the software's built-in about dialog, installation directory version file, or by querying the application via its administrative interface or command-line tool if available.
    Affected if The installed version is 16.0.0.10 or any earlier version.
  2. Confirm file upload functionality is accessible
    Review the SS1 configuration settings or service documentation to determine whether the file upload module or endpoint is enabled and accessible. This may be found in the web interface, configuration files, or by reviewing exposed API endpoints.
    Affected if The file upload feature is enabled and exposed without authentication.
  3. Verify network exposure of SS1 service
    Determine which network interfaces and ports the SS1 service is bound to by reviewing service configuration, firewall rules, or network binding settings. Check if the service is listening on public-facing IP addresses or only on internal interfaces.
    Affected if The SS1 service is directly accessible from untrusted networks or the internet without network-level access controls.

A system is affected if SS1 version 16.0.0.10 or earlier is installed, the file upload functionality is enabled, and the service is exposed to untrusted network access.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Immediately upgrade to a version newer than 16.0.0.10, apply available patches, and implement network-level access controls to restrict exposure of the affected service to untrusted networks until the fix is applied.

Recommended fix Moderate confidence

Contact vendor for fixed release (version higher than 16.0.0.10)

  1. Identify the current installed version of SS1 by checking the application or system documentation
  2. Contact the vendor (DOS Office Osaka) directly or visit their official website (www.dos-osaka.co.jp) to obtain the patched version
  3. Obtain the fixed release which addresses CVE-2025-54762 - the vendor has released a patch for this critical unrestricted file upload vulnerability
  4. Apply the vendor-provided patch or upgrade to the fixed version following their official installation instructions
  5. Verify the patch was applied successfully and the vulnerability is remediated
Caveat Review vendor release notes for any compatibility considerations before upgrading

Generated from the published advisory — verify against the referenced sources before acting.

Have this fixed Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing6.0 h
  • Review / QA4.0 h
22.0 hours of engineering $3,860
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Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2025-54762 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.

References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-54762 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data