CVE-2024-53623

7.5 HIGH

📋 TL;DR

This vulnerability allows attackers to bypass access controls in TP-Link Archer C7 v5 routers via the l_0_0.xml component, potentially exposing sensitive information. It affects users of TP-Link Archer C7 v5 routers with vulnerable firmware versions.

💻 Affected Systems

Products:
  • TP-Link Archer C7 v5
Versions: Specific firmware versions not specified in CVE description
Operating Systems: Embedded router firmware
Default Config Vulnerable: ⚠️ Yes
Notes: Affects the l_0_0.xml component specifically; exact firmware versions not specified in provided CVE description

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers gain unauthorized access to router configuration, credentials, and network information, potentially leading to full network compromise.

🟠

Likely Case

Unauthenticated attackers access sensitive router configuration data and network information.

🟢

If Mitigated

Limited impact with proper network segmentation and access controls preventing external access to router management interface.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Public GitHub repository contains vulnerability details; exploit appears straightforward for attackers with network access

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Unknown

Vendor Advisory: Not provided in CVE description

Restart Required: Yes

Instructions:

1. Check TP-Link support site for firmware updates
2. Download latest firmware for Archer C7 v5
3. Upload via router web interface
4. Reboot router after update

🔧 Temporary Workarounds

Disable remote management

all

Prevent external access to router management interface

Network segmentation

all

Isolate router management interface to trusted network segment

🧯 If You Can't Patch

  • Implement strict firewall rules blocking external access to router management ports (typically 80/443)
  • Monitor router logs for unauthorized access attempts to l_0_0.xml component

🔍 How to Verify

Check if Vulnerable:

Attempt to access http://[router-ip]/l_0_0.xml without authentication; if accessible, system is vulnerable

Check Version:

Check router web interface under System Tools > Firmware Upgrade for current version

Verify Fix Applied:

Verify l_0_0.xml is no longer accessible without proper authentication

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to /l_0_0.xml
  • Multiple failed authentication attempts followed by successful l_0_0.xml access

Network Indicators:

  • External IP addresses accessing router management interface
  • Unusual traffic patterns to /l_0_0.xml endpoint

SIEM Query:

source="router-logs" AND (uri="/l_0_0.xml" OR uri="*l_0_0.xml*") AND status=200

🔗 References

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