UNKNOWN CVSS 7.5
Published: 2003-04-11

CVE-2002-1431

belkin f5d5230-4_4-port_cable_dsl_gateway_router Security Advisory (CVE-2002-1431)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2002-1431 impacting belkin f5d5230-4_4-port_cable_dsl_gateway_router. Evaluated with CVSS Base Score of 7.5 (UNKNOWN).

Original NVD Description

Source: NIST NVD
Belkin F5D5230-4 4-Port Cable/DSL Gateway Router 1.20.000 modifies the source IP address of internal packets to that of the router's external interface when forwarding a request from an internal host to an internal web server, which allows remote attackers to hide which host is being used to access the web server.

📊 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 belkin / f5d5230-4_4-port_cable_dsl_gateway_router
Affected Versions 1.20.000
Weakness Enumeration NVD-CWE-Other

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-2002-1431 impacting belkin f5d5230-4_4-port_cable_dsl_gateway_router.

⚡ Nuclei Detection Template (YAML) cve-2002-1431.yaml
id: cve-2002-1431

info:
  name: belkin f5d5230-4_4-port_cable_dsl_gateway_router - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2002-1431 affecting belkin f5d5230-4_4-port_cable_dsl_gateway_router.
    Evaluation: Belkin F5D5230-4 4-Port Cable/DSL Gateway Router 1.20.000 modifies the source IP address of internal packets to that of the router's external int...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2002-1431
  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-2002-1431
    cwe-id: NVD-CWE-Other
  tags: cve,cve-2002-1431,belkin,f5d5230-4_4-port_cable_ds,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "f5d5230-4_4-port_cable_dsl_gateway_router"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2002-1431.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2002-1431
# Target: belkin f5d5230-4_4-port_cable_dsl_gateway_router | 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-2002-1431 (belkin f5d5230-4_4-port_cable_dsl_gateway_router)...")
    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 belkin f5d5230-4_4-port_cable_dsl_gateway_router scope (1.20.000).")
        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-2002-1431.sh
# Recommended Remediation & Patching Commands for CVE-2002-1431
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install f5d5230-4_4-port_cable_ds 2>/dev/null || \
sudo dnf upgrade f5d5230-4_4-port_cable_ds 2>/dev/null || \
sudo yum update f5d5230-4_4-port_cable_ds

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i f5d5230-4_4-port_cable_ds 2>/dev/null || rpm -qa | grep -i f5d5230-4_4-port_cable_ds

# 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.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2002-1431 in belkin f5d5230-4_4-port_cable_dsl_gateway_router?

Review vendor-specific security notices and update belkin f5d5230-4_4-port_cable_dsl_gateway_router 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-2002-1431?

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-2002-1431?

CVE-2002-1431 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-2002-1431
Weakness NVD-CWE-Other
Vendor belkin
Product f5d5230-4_4-port_cable_dsl_gateway_router
Published 2003-04-11
Vector AV:N/AC:L/Au:N/C:P/I:P/A:P