CVE-2024-42757
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 · uneditedCommand injection vulnerability in Asus RT-N15U 3.0.0.4.376_3754 allows a remote attacker to execute arbitrary code via the netstat function page.
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 confidenceA command injection vulnerability exists in the netstat function of Asus RT-N15U router firmware 3.0.0.4.376_3754. The netstat web interface function fails to properly sanitize user input, allowing a remote attacker to inject and execute arbitrary operating system commands with the router's privileges.
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.
-
Identify your router modelLog into the router web interface and check the device model, typically found under Administration > System or a System Info pageAffected if Model is not Asus RT-N15U (not affected)
-
Check your firmware versionIn the router web interface, go to Administration > Firmware Upgrade or System section to view the installed firmware versionAffected if Firmware version is 3.0.0.4.376_3754 exactly, or falls within the 3.0.0.4.376_xxx family before any vendor patch
-
Verify netstat function exposureAttempt to access the netstat web interface function via HTTP/HTTPS request to the router. The specific URI path may vary; look for any web page or API endpoint that executes netstat commandsAffected if The netstat function is accessible via the web interface without authentication or with valid admin credentials
-
Assess network exposureCheck if the router management interface (web UI) is accessible from the WAN/internet by reviewing port forwarding rules, WAN access settings, or external port scansAffected if The router web interface and its netstat function are exposed directly to the internet
You are affected if you own an Asus RT-N15U router running firmware 3.0.0.4.376_3754 and the netstat web interface function is accessible, especially if the management interface is 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 the vendor-supplied firmware patch if available; if the device is end-of-life without patches, replace the router or implement network access controls to restrict exposure to the management interface.
- Consultation3.0 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 $3,408.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-42757 — 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-2024-42757 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