CVE-2025-14910

4.3 MEDIUM

📋 TL;DR

This CVE describes a path traversal vulnerability in the FTP daemon service of Edimax BR-6208AC routers. Attackers can exploit this remotely to access files outside the intended directory. Only users of this discontinued router model are affected.

💻 Affected Systems

Products:
  • Edimax BR-6208AC
Versions: 1.02
Operating Systems: Embedded router firmware
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects devices with FTP service enabled. Product discontinued for 5+ years with no vendor support.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Unauthorized access to sensitive system files, configuration data, or credentials stored on the router.

🟠

Likely Case

Information disclosure of router configuration files or limited file system access.

🟢

If Mitigated

No impact if FTP service is disabled or device is not internet-facing.

🌐 Internet-Facing: MEDIUM - Remote exploitation possible but requires FTP service exposure and specific targeting of discontinued hardware.
🏢 Internal Only: LOW - Internal network access required; limited attack surface.

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Public exploit details available; path traversal vulnerabilities typically have straightforward exploitation.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: None

Vendor Advisory: Not provided in CVE details

Restart Required: No

Instructions:

No official patch available. Vendor recommends disabling FTP service or replacing hardware.

🔧 Temporary Workarounds

Disable FTP Service

all

Turn off the FTP daemon to eliminate the attack vector while maintaining other router functions.

Access router admin interface > Services > FTP > Disable

🧯 If You Can't Patch

  • Disable FTP service immediately via router administration interface
  • Replace router with supported model as recommended by vendor

🔍 How to Verify

Check if Vulnerable:

Check router model (BR-6208AC) and firmware version (1.02) in admin interface. Verify if FTP service is enabled.

Check Version:

Check via router web interface at 192.168.2.1 or similar default gateway

Verify Fix Applied:

Confirm FTP service shows as disabled in router administration interface.

📡 Detection & Monitoring

Log Indicators:

  • Unusual FTP connection attempts
  • FTP commands with '../' patterns
  • Access to non-standard file paths

Network Indicators:

  • Port 21 traffic to router from unexpected sources
  • FTP protocol anomalies

SIEM Query:

source_port:21 AND (uri_contains:"../" OR uri_contains:"..\")

🔗 References

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