MEDIUM CVSS 4.5
Published: 2017-12-08

CVE-2017-10897

buffalo bbr-4mg_firmware Security Advisory (CVE-2017-10897)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2017-10897 impacting buffalo bbr-4mg_firmware. Evaluated with CVSS Base Score of 4.5 (MEDIUM).

Original NVD Description

Source: NIST NVD
Input validation issue in Buffalo BBR-4HG and and BBR-4MG broadband routers with firmware 1.00 to 1.48 and 2.00 to 2.07 allows an attacker to cause the device to become unresponsive via unspecified vectors.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Adjacent (AV:A)
Requires shared subnet / local network access
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
High (PR:H)
Administrative credentials required
User Interaction
None (UI:N)
Zero human interaction required
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
None (C:N)
No data confidentiality impact
Integrity
None (I:N)
No system modification impact
Availability
High (A:H)
Total denial of service or shutdown

🎯 Affected Versions Matrix

Affected Product buffalo / bbr-4mg_firmware
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-2017-10897 impacting buffalo bbr-4mg_firmware.

⚡ Nuclei Detection Template (YAML) cve-2017-10897.yaml
id: cve-2017-10897

info:
  name: buffalo bbr-4mg_firmware - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2017-10897 affecting buffalo bbr-4mg_firmware.
    Evaluation: Input validation issue in Buffalo BBR-4HG and and BBR-4MG broadband routers with firmware 1.00 to 1.48 and 2.00 to 2.07 allows an attacker to cause th...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2017-10897
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
    cvss-score: 4.5
    cve-id: CVE-2017-10897
    cwe-id: CWE-20
  tags: cve,cve-2017-10897,buffalo,bbr-4mg_firmware,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "bbr-4mg_firmware"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2017-10897.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2017-10897
# Target: buffalo bbr-4mg_firmware | CVSS: 4.5 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2017-10897 (buffalo bbr-4mg_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 buffalo bbr-4mg_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-2017-10897.sh
# Recommended Remediation & Patching Commands for CVE-2017-10897
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install bbr-4mg_firmware 2>/dev/null || \
sudo dnf upgrade bbr-4mg_firmware 2>/dev/null || \
sudo yum update bbr-4mg_firmware

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i bbr-4mg_firmware 2>/dev/null || rpm -qa | grep -i bbr-4mg_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-2017-10897 in buffalo bbr-4mg_firmware?

Review vendor-specific security notices and update buffalo bbr-4mg_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-2017-10897?

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-2017-10897?

CVE-2017-10897 is classified with a CVSS 3.1 Base Score of 4.5 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
4.5
MEDIUM SEVERITY
CVE ID CVE-2017-10897
Weakness CWE-20
Vendor buffalo
Product bbr-4mg_firmware
Published 2017-12-08
Vector CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H