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Unrestricted File UploadWeakness · CWE-434

CVE-2025-1070

HIGH · 8.1 CVSS v3.1 Published 2025-02-13
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
87/100
Remediation priority · High
Remotely reachable 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
CWE-434: Unrestricted Upload of File with Dangerous Type vulnerability exists that could render the device inoperable when a malicious file is downloaded.

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 confidence

CWE-434 Unrestricted Upload of File with Dangerous Type vulnerability in device firmware/software update mechanism. An attacker can upload or trigger download of a malicious file (likely firmware, configuration, or executable content) without proper type validation or integrity checks, causing the device to become inoperable or compromised.

MitigationImplement strict allowlist-based file type validation, require cryptographic signing and verification of firmware/images before acceptance, enforce authentication on update/upload endpoints, and enable secure boot to validate firmware integrity before execution.

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
Low
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/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 the device firmware or software version
    Access the device management interface, CLI, or system information page and retrieve the current firmware/software version number. For networked devices, use SNMP, API endpoints, or vendor management tools. Compare this version against any vendor release notes or security advisories for CVE-2025-1070.
    Affected if The installed version is within an affected range or cannot be determined from unpatched vendor releases.
  2. Locate firmware or software update endpoints
    Review network traffic, API documentation, or device administration interfaces for update-related paths such as /update, /firmware, /upload, /upgrade, or similar endpoints. Use nmap or web vulnerability scanners to enumerate HTTP/HTTPS endpoints on the device.
    Affected if Unauthenticated or improperly authenticated update/upload endpoints are exposed.
  3. Inspect file type validation on update mechanisms
    Examine the update handling code, configuration files, or web application settings for file type validation logic. Look for allowlists versus blocklists, MIME type checks, magic byte verification, or extension validation on upload functions.
    Affected if No allowlist-based file type validation exists, or validation can be bypassed by manipulating extensions, MIME types, or file content.
  4. Verify integrity verification requirements
    Check whether the update mechanism requires cryptographic signature validation before accepting firmware or software. Examine configuration files, update server settings, or device security settings for signing verification flags, trusted CA certificates, or hash validation requirements.
    Affected if Firmware or software images are accepted without requiring valid cryptographic signatures or integrity hashes.
  5. Confirm authentication enforcement on update interfaces
    Test update endpoints with and without valid credentials. Review authentication configuration, session token requirements, or API key usage for all firmware upload and download paths.
    Affected if Update or upload endpoints accept requests without requiring valid authentication or authorization.

The device is affected if unauthenticated or improperly validated firmware/software update paths exist and no cryptographic signature verification is enforced before accepting or executing uploaded content.

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.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Implement strict allowlist-based file type validation, require cryptographic signing and verification of firmware/images before acceptance, enforce authentication on update/upload endpoints, and enable secure boot to validate firmware integrity before execution.

Have this fixed Scoped from the published advisory
  • Consultation8.0 h
  • Implementation24.0 h
  • Testing12.0 h
  • Review / QA6.0 h
50.0 hours of engineering $8,800
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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-2025-1070 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
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