CVE-2023-4498
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 · uneditedTenda N300 Wireless N VDSL2 Modem Router allows unauthenticated access to pages that in turn should be accessible to authenticated users only
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 confidenceTenda N300 Wireless N VDSL2 Modem Router contains an authentication bypass vulnerability where unauthenticated users can access pages that should require valid authentication. This is a broken access control vulnerability allowing attackers to bypass the login mechanism.
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= 53.0.1.6CVSS 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
- Low
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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 the device modelLog into the router web interface or check the device label to confirm the model is Tenda N300 Wireless N VDSL2 Modem RouterAffected if The device model is not Tenda N300, the device is not affected by this specific CVE
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Check the firmware versionAccess the router administration panel, typically at 192.168.0.1 or 192.168.1.1, and navigate to System Settings or Status to view the firmware versionAffected if The firmware version is exactly 53.0.1.6; other versions are not affected by this specific CVE
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Test authentication bypassAttempt to access protected router pages (such as /goform/ or /cgi/) directly via URL without providing any login credentialsAffected if Protected pages load successfully without requiring authentication, confirming the vulnerability is present
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Verify network exposureCheck if the router management interface is accessible from external networks or untrusted LAN segments (not just from trusted local devices)Affected if The management interface is exposed to untrusted networks, increasing exploitability
The environment is affected only if the device is a Tenda N300 router running firmware version 53.0.1.6 AND unauthenticated access to protected pages is possible
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 dataApply vendor firmware updates when available; until then, restrict network access to the router's management interface using firewall rules or network segmentation, and monitor for unauthorized access attempts.
- Consultation4.0 h
- Implementation2.0 h
- Testing3.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,152.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-4498 — 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-2023-4498 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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- 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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