dbcve.org
ThinosOperating system · Dell

CVE-2025-43730

HIGH · 7.8 CVSS v3.1 Published 2025-08-27
Fix available
A fix is available. Upgrade to 2508 or later.
See remediation →
80/100
Remediation priority · High
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
Dell ThinOS 10, versions prior to 2508_10.0127, contains an Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') vulnerability. A local unauthenticated user could potentially exploit this vulnerability leading to Elevation of Privileges and Information disclosure.

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

Dell ThinOS 10 contains an argument injection vulnerability where improper neutralization of argument delimiters allows a local unauthenticated attacker to inject commands or arguments, potentially elevating privileges to administrative levels and disclosing sensitive information.

MitigationUpgrade Dell ThinOS 10 to version 2508_10.0127 or later to remediate this vulnerability.

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

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
ThinosOperating system
Affected:< 2508

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
Local
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/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. Confirm Dell ThinOS 10 is installed
    Check the system information or about page within the ThinOS interface, or run 'cat /etc/os-release' or 'version' command if accessible via admin shell
    Affected if The system is not running Dell ThinOS 10 (this CVE only applies to ThinOS 10)
  2. Identify the ThinOS build version
    Access ThinOS system settings or about panel, or run 'cat /thinos/build' or similar version file if available via admin access
    Affected if Unable to determine the version number from system files or interface
  3. Compare installed version against affected range
    Check if the current build version is less than 2508 (e.g., 2507, 2506, etc.)
    Affected if The installed version is below 2508 (any version < 2508 is affected)
  4. Verify local unauthenticated access exists
    Confirm whether the system allows local console or network access without authentication where command arguments could be injected
    Affected if Local unauthenticated access is permitted and the version is below 2508

A system is affected if it runs Dell ThinOS 10 with a version number lower than 2508 and permits local unauthenticated 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
Upgrade available Upgrade to 2508 or later
Fixed in 2508
Interim mitigation

Upgrade Dell ThinOS 10 to version 2508_10.0127 or later to remediate this vulnerability.

Recommended fix High confidence

2508_10.0127 (or later)

  1. Verify current ThinOS version by accessing the ThinOS Administration GUI or checking system information
  2. Download ThinOS version 2508_10.0127 (or newer) from Dell support portal at www.dell.com
  3. Review Dell ThinOS upgrade documentation for your specific deployment model (FTP, USB, or Wyse Management Suite)
  4. Create a backup of current ThinOS configuration settings
  5. Apply the upgrade using your chosen deployment method: either via Wyse Management Suite, FTP server push, or USB bootable media
  6. After upgrade, verify the system is running version 2508_10.0127 or later
  7. Confirm the vulnerability is resolved by testing that the argument injection vector no longer functions

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

Fix this in Thinos Scoped from the published advisory
  • Consultation4.0 h
  • Implementation16.0 h
  • Testing8.0 h
  • Review / QA4.0 h
32.0 hours of engineering $5,600
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $8,960.

Scan for this in your stack

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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-2025-43730 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
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