CVE-2025-9521
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 · uneditedPassword Confirmation Bypass vulnerability in Omada Controllers, allowing an attacker with a valid session token to bypass secondary verification, and change the user’s password without proper confirmation, leading to weakened account security.
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 confidenceOmada Controller fails to enforce secondary verification (such as password confirmation or 2FA) when processing password change requests. An attacker who already possesses a valid session token can exploit this flaw to bypass the confirmation step and directly change the target user's password, leading to account takeover.
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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- High
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
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 Omada Controller versionAccess the web management interface and check the controller version in the Help > About section, or check the installation directory for version informationAffected if version is below 6.0 (any version prior to 6.0)
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Verify web interface accessibilityConfirm the Omada Controller web interface is accessible on the configured HTTP/HTTPS port (default 8088 or 8043)Affected if web interface is exposed and accessible
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Check administrative session handlingExamine if administrative sessions can be established without additional verification steps, particularly when accessing password change or account modification functionsAffected if sessions can be created and password change endpoints are reachable without requiring secondary verification
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Test password change flowWith a valid administrative session, attempt to access the password change endpoint for a different user to see if secondary verification (password confirmation or 2FA) is requested before processing the requestAffected if password changes can be initiated without requiring confirmation or 2FA verification
If the installed Omada Controller version is below 6.0 and the web interface is accessible with administrative capabilities, the secondary verification bypass vulnerability is likely present.
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 data6.0
Apply vendor-provided patches for Omada Controller to enforce proper secondary verification for all sensitive operations including password changes. If no patch is available, consider disabling administrative access via the web interface or implementing additional controls such as IP allowlisting for administrative sessions.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-9521 — 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-2025-9521 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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