UNKNOWN CVSS 7.5
Published: 2011-11-22

CVE-2011-4505

alcatel speedtouch_5x6_router_firmware Security Advisory (CVE-2011-4505)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2011-4505 impacting alcatel speedtouch_5x6_router_firmware. Evaluated with CVSS Base Score of 7.5 (UNKNOWN).

Original NVD Description

Source: NIST NVD
The UPnP IGD implementation on SpeedTouch 5x6 devices with firmware before 6.2.29 allows remote attackers to establish arbitrary port mappings by sending a UPnP AddPortMapping action in a SOAP request to the WAN interface, related to an "external forwarding" vulnerability.

📊 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 alcatel / speedtouch_5x6_router_firmware
Affected Versions *
Weakness Enumeration CWE-16

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-2011-4505 impacting alcatel speedtouch_5x6_router_firmware.

⚡ Nuclei Detection Template (YAML) cve-2011-4505.yaml
id: cve-2011-4505

info:
  name: alcatel speedtouch_5x6_router_firmware - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2011-4505 affecting alcatel speedtouch_5x6_router_firmware.
    Evaluation: The UPnP IGD implementation on SpeedTouch 5x6 devices with firmware before 6.2.29 allows remote attackers to establish arbitrary port mappings by send...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2011-4505
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/Au:N/C:P/I:P/A:P
    cvss-score: 7.5
    cve-id: CVE-2011-4505
    cwe-id: CWE-16
  tags: cve,cve-2011-4505,alcatel,speedtouch_5x6_router_fir,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "speedtouch_5x6_router_firmware"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2011-4505.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2011-4505
# Target: alcatel speedtouch_5x6_router_firmware | CVSS: 7.5 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2011-4505 (alcatel speedtouch_5x6_router_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 alcatel speedtouch_5x6_router_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-2011-4505.sh
# Recommended Remediation & Patching Commands for CVE-2011-4505
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install speedtouch_5x6_router_fir 2>/dev/null || \
sudo dnf upgrade speedtouch_5x6_router_fir 2>/dev/null || \
sudo yum update speedtouch_5x6_router_fir

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i speedtouch_5x6_router_fir 2>/dev/null || rpm -qa | grep -i speedtouch_5x6_router_fir

# 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-2011-4505 in alcatel speedtouch_5x6_router_firmware?

Review vendor-specific security notices and update alcatel speedtouch_5x6_router_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-2011-4505?

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-2011-4505?

CVE-2011-4505 is classified with a CVSS 3.1 Base Score of 7.5 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
7.5
UNKNOWN SEVERITY
CVE ID CVE-2011-4505
Weakness CWE-16
Vendor alcatel
Product speedtouch_5x6_router_firmware
Published 2011-11-22
Vector AV:N/AC:L/Au:N/C:P/I:P/A:P