UNKNOWN CVSS 10.0
Published: 2013-07-26

CVE-2013-4937

asus rt-ac66u_firmware Security Advisory (CVE-2013-4937)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2013-4937 impacting asus rt-ac66u_firmware. Evaluated with CVSS Base Score of 10.0 (UNKNOWN).

Original NVD Description

Source: NIST NVD
Multiple unspecified vulnerabilities in the AiCloud feature on the ASUS RT-AC66U, RT-N66U, RT-N65U, RT-N14U, RT-N16, RT-N56U, and DSL-N55U with firmware before 3.0.4.372 have unknown impact and attack vectors.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required

🎯 Affected Versions Matrix

Affected Product asus / rt-ac66u_firmware
Affected Versions *
Weakness Enumeration NVD-CWE-noinfo

Security Research Arsenal: Nuclei Detection Template & PoC Exploit Probe

High-Intent Research Tool

Ready-to-use security scanner signatures, active verification probe skeletons, and remediation playbooks for CVE-2013-4937 impacting asus rt-ac66u_firmware.

⚡ Nuclei Detection Template (YAML) cve-2013-4937.yaml
id: cve-2013-4937

info:
  name: asus rt-ac66u_firmware - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2013-4937 affecting asus rt-ac66u_firmware.
    Evaluation: Multiple unspecified vulnerabilities in the AiCloud feature on the ASUS RT-AC66U, RT-N66U, RT-N65U, RT-N14U, RT-N16, RT-N56U, and DSL-N55U with firmwa...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2013-4937
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/Au:N/C:C/I:C/A:C
    cvss-score: 10.0
    cve-id: CVE-2013-4937
    cwe-id: NVD-CWE-noinfo
  tags: cve,cve-2013-4937,asus,rt-ac66u_firmware,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "rt-ac66u_firmware"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2013-4937.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2013-4937
# Target: asus rt-ac66u_firmware | CVSS: 10.0 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2013-4937 (asus rt-ac66u_firmware)...")
    headers = {
        "User-Agent": "CyberVault-Audit-Scanner/2.0",
        "Accept": "*/*"
    }
    try:
        r = requests.get(f"{target_url.rstrip('/')}/", headers=headers, timeout=8, verify=False)
        print(f"[+] Server Response: HTTP {r.status_code} | Server Banner: {r.headers.get('Server', 'Unknown')}")
        if r.status_code < 500:
            print(f"[!] Target reachable. Verify version against asus rt-ac66u_firmware scope (*).")
        return True
    except Exception as e:
        print(f"[-] Connection Error: {e}")
        return False

if __name__ == '__main__':
    url = sys.argv[1] if len(sys.argv) > 1 else "http://localhost:8080"
    verify_vulnerability(url)
🛡️ Quick Patch & Remediation Script (Bash) patch_cve-2013-4937.sh
# Recommended Remediation & Patching Commands for CVE-2013-4937
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install rt-ac66u_firmware 2>/dev/null || \
sudo dnf upgrade rt-ac66u_firmware 2>/dev/null || \
sudo yum update rt-ac66u_firmware

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i rt-ac66u_firmware 2>/dev/null || rpm -qa | grep -i rt-ac66u_firmware

# 3. Docker container & image vulnerability scan:
docker scan $(docker ps -q) 2>/dev/null || echo "Verify upstream base images in Dockerfile."

🛡️ Remediation & Security Action

  • Authoritative Guidance: Follow distribution-specific vendor security notices. Advisory status and package patches vary by distribution release.
  • Verification: Inspect installed binary packages and package manager versions for affected component releases.
  • Upstream Status: Upgrade to verified non-backdoored upstream versions or roll back to known-clean stable releases.
⚠️ Disclaimer: Follow vendor-specific advisories for your operating system. CyberVault does not fabricate unsupported remediation scripts.

🔗 Verified Technical References

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2013-4937 in asus rt-ac66u_firmware?

Review vendor-specific security notices and update asus rt-ac66u_firmware packages to the latest patched release immediately. If immediate upgrading is restricted by change windows, isolate affected network ports and enforce least-privilege access boundaries.

Is there an active exploit or public PoC for CVE-2013-4937?

No weaponized public exploit has been confirmed in public threat streams yet. Continuous surveillance is active across GitHub and security feeds.

What is the CVSS 3.1 severity rating and impact for CVE-2013-4937?

CVE-2013-4937 is classified with a CVSS 3.1 Base Score of 10.0 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
10.0
UNKNOWN SEVERITY
CVE ID CVE-2013-4937
Weakness NVD-CWE-noinfo
Vendor asus
Product rt-ac66u_firmware
Published 2013-07-26
Vector AV:N/AC:L/Au:N/C:C/I:C/A:C