CVE-2024-57684
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 access control issue in the component formDMZ.cgi of D-Link 816A2_FWv1.10CNB05_R1B011D88210 allows unauthenticated attackers to set the DMZ service of the device via a crafted POST request.
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 · high confidenceThe D-Link 816A2 router firmware v1.10CNB05_R1B011D88210 contains an authentication bypass vulnerability in the formDMZ.cgi web interface component. Unauthenticated attackers can send crafted POST requests to this endpoint to configure the device's DMZ (Demilitarized Zone) settings, effectively redirecting external traffic to internal network hosts without any credentials.
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= 1.10cnb05_r1b011d88210CVSS 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
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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.
-
Identify device model and firmware versionAccess the router's web administration interface and check the status/page for the exact model number (DIR 816) and firmware version. Alternatively, check the firmware file if you have access to it, or use methods like SNMP, UPnP, or HTTP headers to fingerprint the device.Affected if The device is a D-Link DIR 816 running firmware version 1.10cnb05_r1b011d88210 exactly.
-
Verify web interface accessibilityAttempt to access the router's HTTP/HTTPS web interface from the network where the device is deployed. Check if the login page or formDMZ.cgi endpoint responds.Affected if The router's web interface is accessible from untrusted networks (including the internet).
-
Confirm remote management is enabledLog into the router admin panel and navigate to Management > Remote Management (or similar). Check if remote access from WAN/outside is permitted.Affected if Remote management or remote administration from WAN is enabled on the device.
-
Inspect DMZ configuration for unauthorized changesLog into the router admin panel and check the DMZ settings page (typically under Advanced > DMZ). Look for any DMZ host IP addresses that were not intentionally configured by the administrator.Affected if A DMZ host IP address is configured that was not set by an authorized administrator, or DMZ is unexpectedly enabled.
A D-Link DIR 816 router running firmware 1.10cnb05_r1b011d88210 with its web interface (especially formDMZ.cgi) exposed to untrusted networks is vulnerable to unauthenticated DMZ configuration changes.
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-supplied firmware patch if available; otherwise restrict administrative interface access to trusted internal networks via firewall rules or disable remote management. Consider network segmentation or device replacement if no patch is forthcoming.
- Consultation2.0 h
- Implementation4.0 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 $3,088.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-57684 — 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-2024-57684 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
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
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.
- 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