Missing AuthenticationWeakness · CWE-306

CVE-2025-48733

HIGH · 7.5 CVSS v3.1 Published 2025-07-22
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
84/100
Remediation priority · High
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
DuraComm SPM-500 DP-10iN-100-MU lacks access controls for a function that should require user authentication. This could allow an attacker to repeatedly reboot the device.

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

The DuraComm SPM-500 DP-10iN-100-MU device lacks access controls on a function that should require user authentication, allowing an unauthenticated attacker to repeatedly reboot the device. This is an authentication bypass vulnerability on a critical operational function.

MitigationApply vendor-supplied firmware patch when available; until then, restrict network access to the device via firewall or place on isolated network segment to limit attack surface.

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
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 device model and firmware version
    Access the device web interface or CLI and locate the system information or about page to confirm the exact model number (SPM-500 DP-10iN-100-MU) and note the installed firmware version
    Affected if The device model matches SPM-500 DP-10iN-100-MU and the firmware is unpatched or of unknown version
  2. Confirm device management interface is network accessible
    Verify whether the device HTTP/HTTPS management interface is reachable from network segments that contain untrusted users or systems (ping test, port scan on 80/443)
    Affected if The device management interface is exposed to untrusted networks without firewall filtering
  3. Test reboot function for authentication bypass
    Using a tool like curl or a browser, send a POST request to the device reboot endpoint (commonly /reboot, /admin/reboot, or similar) without providing any authentication credentials
    Affected if The device accepts and processes the reboot request without requiring login credentials, returning a success response or initiating a reboot
  4. Check for authentication enforcement on sensitive functions
    Review the device configuration or attempt to access other administrative functions (factory reset, configuration backup/restore) without authentication to determine if access controls are consistently applied
    Affected if Multiple sensitive functions respond without authentication or return 200 OK without requiring login

You are affected if you have a DuraComm SPM-500 DP-10iN-100-MU device with an unpatched firmware version, and the device reboot function can be triggered without any authentication credentials.

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

Apply vendor-supplied firmware patch when available; until then, restrict network access to the device via firewall or place on isolated network segment to limit attack surface.

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

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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-2025-48733 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