UNKNOWN CVSS 7.8
Published: 2007-10-18

CVE-2007-5557

nec mobile_handset Security Advisory (CVE-2007-5557)
↗ Official NIST NVD Record
Seeking technical exploit breakdowns or verified PoC code for CVE-2007-5557?
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2007-5557 impacting nec mobile_handset. Evaluated with CVSS Base Score of 7.8 (UNKNOWN).

Original NVD Description

Source: NIST NVD
Unspecified vulnerability in the NEC mobile handset allows remote attackers to cause a denial of service (reboot) via crafted packets. NOTE: as of 20071016, the only disclosure is a vague pre-advisory with no actionable information. However, since it is from a well-known researcher, it is being assigned a CVE identifier for tracking purposes.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required
Confidentiality
None (C:N)
No data confidentiality impact
Integrity
None (I:N)
No system modification impact

🎯 Affected Versions Matrix

Affected Product nec / mobile_handset
Affected Versions -
Weakness Enumeration CWE-20

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-2007-5557 impacting nec mobile_handset.

⚡ Nuclei Detection Template (YAML) cve-2007-5557.yaml
id: cve-2007-5557

info:
  name: nec mobile_handset - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2007-5557 affecting nec mobile_handset.
    Evaluation: Unspecified vulnerability in the NEC mobile handset allows remote attackers to cause a denial of service (reboot) via crafted packets. NOTE: as of 200...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2007-5557
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/Au:N/C:N/I:N/A:C
    cvss-score: 7.8
    cve-id: CVE-2007-5557
    cwe-id: CWE-20
  tags: cve,cve-2007-5557,nec,mobile_handset,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "mobile_handset"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2007-5557.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2007-5557
# Target: nec mobile_handset | CVSS: 7.8 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2007-5557 (nec mobile_handset)...")
    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 nec mobile_handset 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-2007-5557.sh
# Recommended Remediation & Patching Commands for CVE-2007-5557
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install mobile_handset 2>/dev/null || \
sudo dnf upgrade mobile_handset 2>/dev/null || \
sudo yum update mobile_handset

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

# 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

Authorities
  • No records filed in this category.
Distributions
  • No records filed in this category.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2007-5557 in nec mobile_handset?

Review vendor-specific security notices and update nec mobile_handset 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-2007-5557?

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-2007-5557?

CVE-2007-5557 is classified with a CVSS 3.1 Base Score of 7.8 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
7.8
UNKNOWN SEVERITY
CVE ID CVE-2007-5557
Weakness CWE-20
Vendor nec
Product mobile_handset
Published 2007-10-18
Vector AV:N/AC:L/Au:N/C:N/I:N/A:C