CVE-2025-9520
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 · uneditedAn IDOR vulnerability exists in Omada Controllers that allows an attacker with Administrator permissions to manipulate requests and potentially hijack the Owner account.
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 confidenceIDOR (Insecure Direct Object Reference) vulnerability in Omada Controllers allows an authenticated Administrator to manipulate requests and hijack the Owner account through improper authorization validation on sensitive account management operations.
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< 6.0CVSS 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
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/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.
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Identify installed Omada Controller versionAccess the Omada Controller admin interface and navigate to the Settings or About section, typically found under 'System' > 'System Settings' or directly on the login dashboard. Alternatively, check the controller's installation directory for version information if direct UI access is unavailable.Affected if The installed version is any release prior to version 6.0 (e.g., 5.x.x, 5.14.x, 5.15.x)
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Confirm administrator access to account managementLog into the Omada Controller with an Administrator account. Navigate to the 'Users' or 'Account Settings' section where user roles and ownership settings are managed.Affected if The controller allows authenticated Administrator access to user management or owner account configuration panels
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Inspect account modification requests for authorization gapsUsing a web proxy or browser developer tools, capture and examine HTTP requests when modifying user roles or transferring owner account privileges. Look for direct object references (such as user IDs) in request parameters without corresponding authorization token validation.Affected if Requests containing user identifiers (userId, ownerId, or similar parameters) can be modified to target other accounts without the server validating the requester's permissions
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Verify owner account takeover capabilityAttempt to locate or simulate an owner privilege modification action through the API or UI endpoints. Observe whether the endpoint accepts requests to reassign ownership without verifying the requesting user's actual ownership rights.Affected if The controller permits an authenticated Administrator to change the owner account to a different account without proper ownership verification
The environment is affected if the installed Omada Controller version is below 6.0 and the controller exposes account management interfaces that allow authenticated Administrators to manipulate owner account settings without server-side authorization validation.
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.
dbcve · scoped6.0
Implement proper server-side authorization checks to validate that the requesting user has legitimate rights to modify target resources, particularly for owner account operations; conduct a broader audit for similar IDOR vulnerabilities.
Omada Controller 6.0 or later
- 1. Back up the current Omada Controller configuration and database
- 2. Download the Omada Controller version 6.0 or later from the official TP-Link support site (support.omadanetworks.com)
- 3. Stop the Omada Controller service
- 4. Install the upgraded Omada Controller version
- 5. Start the Omada Controller service
- 6. Verify the Controller is operational and the vulnerability is addressed by confirming the Owner account cannot be hijacked via manipulated requests
- 7. Restore the configuration from the backup if needed
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-9520 — 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-2025-9520 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
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- Version or environment caveats, and links to real fixes
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