LOW CVSS 3.5
Published: 2025-12-30

CVE-2025-15258

edimax br-6208ac_firmware Security Advisory (CVE-2025-15258)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2025-15258 impacting edimax br-6208ac_firmware. Evaluated with CVSS Base Score of 3.5 (LOW).

Original NVD Description

Source: NIST NVD
A weakness has been identified in Edimax BR-6208AC 1.02/1.03. Affected by this issue is the function formALGSetup of the file /goform/formALGSetup of the component Web-based Configuration Interface. This manipulation of the argument wlan-url causes open redirect. The attack is possible to be carried out remotely. The exploit has been made available to the public and could 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
Low (PR:L)
Standard user access required
User Interaction
Required (UI:R)
User must click or open resource
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
None (C:N)
No data confidentiality impact
Integrity
Low (I:L)
Partial data modification possible
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product edimax / br-6208ac_firmware
Affected Versions 1.02
Weakness Enumeration CWE-601

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-2025-15258 impacting edimax br-6208ac_firmware.

⚡ Nuclei Detection Template (YAML) cve-2025-15258.yaml
id: cve-2025-15258

info:
  name: edimax br-6208ac_firmware - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: low
  description: |
    Automated signature & scanner for CVE-2025-15258 affecting edimax br-6208ac_firmware.
    Evaluation: A weakness has been identified in Edimax BR-6208AC 1.02/1.03. Affected by this issue is the function formALGSetup of the file /goform/formALGSetup of ...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2025-15258
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
    cvss-score: 3.5
    cve-id: CVE-2025-15258
    cwe-id: CWE-601
  tags: cve,cve-2025-15258,edimax,br-6208ac_firmware,low

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-2025-15258.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2025-15258
# Target: edimax br-6208ac_firmware | CVSS: 3.5 (LOW)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2025-15258 (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-2025-15258.sh
# Recommended Remediation & Patching Commands for CVE-2025-15258
# 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-2025-15258 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-2025-15258?

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-2025-15258?

CVE-2025-15258 is classified with a CVSS 3.1 Base Score of 3.5 (LOW). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
3.5
LOW SEVERITY
CVE ID CVE-2025-15258
Weakness CWE-601
Vendor edimax
Product br-6208ac_firmware
Published 2025-12-30
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N