HIGH CVSS 8.0
Published: 2025-09-16

CVE-2025-56706

edimax br-6473ax_firmware Security Advisory (CVE-2025-56706)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2025-56706 impacting edimax br-6473ax_firmware. Evaluated with CVSS Base Score of 8.0 (HIGH).

Original NVD Description

Source: NIST NVD
Edimax BR-6473AX v1.0.28 was discovered to contain a remote code execution (RCE) vulnerability via the Object parameter in the openwrt_getConfig function.

📊 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
Low (PR:L)
Standard user access required
User Interaction
None (UI:N)
Zero human interaction required
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
High (C:H)
Total information disclosure
Integrity
High (I:H)
Total modification of target system
Availability
High (A:H)
Total denial of service or shutdown

🎯 Affected Versions Matrix

Affected Product edimax / br-6473ax_firmware
Affected Versions 1.0.28
Weakness Enumeration CWE-77

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-2025-56706 impacting edimax br-6473ax_firmware.

⚡ Nuclei Detection Template (YAML) cve-2025-56706.yaml
id: cve-2025-56706

info:
  name: edimax br-6473ax_firmware - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2025-56706 affecting edimax br-6473ax_firmware.
    Evaluation: Edimax BR-6473AX v1.0.28 was discovered to contain a remote code execution (RCE) vulnerability via the Object parameter in the openwrt_getConfig funct...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2025-56706
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 8.0
    cve-id: CVE-2025-56706
    cwe-id: CWE-77
  tags: cve,cve-2025-56706,edimax,br-6473ax_firmware,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "br-6473ax_firmware"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2025-56706.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2025-56706
# Target: edimax br-6473ax_firmware | CVSS: 8.0 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2025-56706 (edimax br-6473ax_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 edimax br-6473ax_firmware scope (1.0.28).")
        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-2025-56706.sh
# Recommended Remediation & Patching Commands for CVE-2025-56706
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install br-6473ax_firmware 2>/dev/null || \
sudo dnf upgrade br-6473ax_firmware 2>/dev/null || \
sudo yum update br-6473ax_firmware

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i br-6473ax_firmware 2>/dev/null || rpm -qa | grep -i br-6473ax_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

Authorities
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Distributions
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❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2025-56706 in edimax br-6473ax_firmware?

Review vendor-specific security notices and update edimax br-6473ax_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-2025-56706?

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-2025-56706?

CVE-2025-56706 is classified with a CVSS 3.1 Base Score of 8.0 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
8.0
HIGH SEVERITY
CVE ID CVE-2025-56706
Weakness CWE-77
Vendor edimax
Product br-6473ax_firmware
Published 2025-09-16
Vector CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H