CVE-2025-20016
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 · uneditedOS command injection vulnerability exists in network storage servers STEALTHONE D220/D340/D440 provided by Y'S corporation. A user with an administrative privilege who logged in to the web management page of the affected product may execute an arbitrary OS command.
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 · moderate confidenceOS command injection vulnerability in Y'S corporation STEALTHONE D220/D340/D440 network storage servers allows an authenticated administrator to execute arbitrary OS commands via the web management interface through unsanitized input that gets passed to system shell calls.
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
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:H/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 checksWork through these to decide whether this CVE applies to you.
-
Identify the device modelLog into the device or check the physical label/sticker to confirm the exact model number (D220, D340, or D440)Affected if The model is STEALTHONE D220, D340, or D440
-
Verify web management interface is accessibleAttempt to access the device's web interface by entering the device IP address in a web browser (common ports 80 or 443)Affected if The web management interface is reachable on the network
-
Confirm administrative access existsCheck if valid administrator credentials are configured or if you can obtain them; attempt to log in with admin-level privilegesAffected if You have authenticated administrator access to the web management interface
-
Identify input fields in the web interfaceBrowse through the web management interface and locate fields where user input is accepted (common areas include network settings, diagnostics, storage configuration, or system maintenance functions)Affected if The interface contains input fields that accept user-supplied data
-
Check for unsanitized input handlingReview any logs, documentation, or behavior when entering special characters (such as ; | & $ `) into input fields; observe if the input is passed directly to system shell calls without validationAffected if Input fields accept and process special shell characters without sanitization, allowing command injection
You are affected if you have a STEALTHONE D220, D340, or D440 device with an accessible web management interface where an authenticated administrator can inject OS commands through unsanitized input fields.
Generated from the published advisory. Verify against your own configuration.
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.
From vendor dataRestrict administrative access to trusted personnel only; implement proper input validation and sanitization on all user-supplied fields in the web management interface; apply vendor patches when available or consider network segmentation to limit exposure.
- Consultation6.0 h
- Implementation12.0 h
- Testing6.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $7,968.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-20016 — 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 sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-20016 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
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.
- 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