CVE-2024-3912
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 · uneditedCertain models of ASUS routers have an arbitrary firmware upload vulnerability. An unauthenticated remote attacker can exploit this vulnerability to execute arbitrary system commands on 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 · high confidenceArbitrary firmware upload vulnerability in certain ASUS router models allows an unauthenticated remote attacker to upload malicious firmware and execute arbitrary system commands on the affected device.
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
- 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.
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Confirm device is an ASUS router modelCheck the router model through the web admin interface (typically 192.168.1.1), the physical device label, or documentationAffected if The device is not an ASUS router
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Identify the installed firmware versionIn the router web interface, navigate to Administration or Firmware Upgrade section to view the current firmware version. Alternatively, access via SSH/telnet if enabled and run the appropriate command to retrieve the firmware version.Affected if The firmware version falls within the vulnerable version range published by ASUS for this CVE and has not been patched
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Check if WAN-facing remote management is enabledIn the router web interface, look under WAN, Internet, or Remote Management settings for options that allow management access from outside the local network (often labeled as WAN Management, Remote Config, or similar)Affected if Remote management access from WAN/Internet is enabled and the router is directly exposed to the internet
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Verify network exposure of admin interfaceCheck your firewall rules, port forwards, and NAT settings to determine if TCP ports used for router administration (such as 80, 443, 8080) are open to the WAN interfaceAffected if The router admin interface ports are exposed to untrusted networks
The device is likely affected if it is an ASUS router running a firmware version within the vulnerable range AND has remote management or admin interface access exposed to the internet.
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 available firmware updates from ASUS immediately; if no patch exists, disable WAN-facing management interfaces and restrict access to trusted networks.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 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 $5,120.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-3912 — 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-2024-3912 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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