HIGH CVSS 7.3
Published: 2025-12-30

CVE-2025-15257

edimax br-6208ac_firmware Security Advisory (CVE-2025-15257)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2025-15257 impacting edimax br-6208ac_firmware. Evaluated with CVSS Base Score of 7.3 (HIGH).

Original NVD Description

Source: NIST NVD
A security flaw has been discovered in Edimax BR-6208AC 1.02/1.03. Affected by this vulnerability is the function formRoute of the file /gogorm/formRoute of the component Web-based Configuration Interface. The manipulation of the argument strIp/strMask/strGateway results in command injection. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks. Edimax confirms this issue: "The product mentioned, EDIMAX BR-6208AC V2, has reached its End of Life (EOL) status. It is no longer supported or maintained by Edimax, and it is no longer available for purchase in the market. Consequently, there will be no further firmware updates or patches for this device. We recommend users upgrade to newer models for better security." This vulnerability only affects products that are no longer supported by the maintainer.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
None (PR:N)
Unauthenticated execution
User Interaction
None (UI:N)
Zero human interaction required
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
Low (C:L)
Partial information leakage
Integrity
Low (I:L)
Partial data modification possible
Availability
Low (A:L)
Partial service performance degradation

🎯 Affected Versions Matrix

Affected Product edimax / br-6208ac_firmware
Affected Versions 1.02
Weakness Enumeration CWE-74

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-2025-15257 impacting edimax br-6208ac_firmware.

⚡ Nuclei Detection Template (YAML) cve-2025-15257.yaml
id: cve-2025-15257

info:
  name: edimax br-6208ac_firmware - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2025-15257 affecting edimax br-6208ac_firmware.
    Evaluation: A security flaw has been discovered in Edimax BR-6208AC 1.02/1.03. Affected by this vulnerability is the function formRoute of the file /gogorm/formRo...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2025-15257
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
    cvss-score: 7.3
    cve-id: CVE-2025-15257
    cwe-id: CWE-74
  tags: cve,cve-2025-15257,edimax,br-6208ac_firmware,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "br-6208ac_firmware"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2025-15257.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2025-15257
# Target: edimax br-6208ac_firmware | CVSS: 7.3 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2025-15257 (edimax br-6208ac_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-6208ac_firmware scope (1.02).")
        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-2025-15257.sh
# Recommended Remediation & Patching Commands for CVE-2025-15257
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install br-6208ac_firmware 2>/dev/null || \
sudo dnf upgrade br-6208ac_firmware 2>/dev/null || \
sudo yum update br-6208ac_firmware

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i br-6208ac_firmware 2>/dev/null || rpm -qa | grep -i br-6208ac_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.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2025-15257 in edimax br-6208ac_firmware?

Review vendor-specific security notices and update edimax br-6208ac_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-2025-15257?

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-2025-15257?

CVE-2025-15257 is classified with a CVSS 3.1 Base Score of 7.3 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
7.3
HIGH SEVERITY
CVE ID CVE-2025-15257
Weakness CWE-74
Vendor edimax
Product br-6208ac_firmware
Published 2025-12-30
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L