CVE-2020-12447 — AI Deep Analysis Summary

🚨 **Essence**: A Path Traversal vulnerability in ONKYO TX-NR585. <br>💥 **Consequences**: Attackers can read sensitive files from the device via directory traversal sequences like `%2e%2e%2f`.…

🛡️ **Root Cause**: **Local File Inclusion (LFI)** combined with **Path Traversal**.…

📦 **Affected Product**: ONKYO Onkyo TX-NR585 (Home Audio Receiver). <br>📅 **Specific Version**: Firmware version **1000-0000-000-0008-0000**. <br>⚠️ **Vendor**: ONKYO (Japan).

🕵️ **Attacker Actions**: Remote, unauthenticated users can read **sensitive files**. <br>📄 **Data Impact**: Access to internal device files that should be restricted.…

🔓 **Exploitation Threshold**: **LOW**. <br>🌐 **Auth**: **Unauthenticated**. <br>📡 **Network**: Remote access required. <br>✅ **Ease**: Simple HTTP request with traversal payload. No complex setup needed.

🔓 **Public Exploit**: **YES**. <br>📜 **PoC**: Available via **Nuclei Templates** (projectdiscovery). <br>📝 **Details**: Confirmed to work on the specific firmware version using `%2e%2e%2f` injection.

🔍 **Self-Check**: Use vulnerability scanners like **Nuclei** with the specific CVE template.…

🛠️ **Official Fix**: The data indicates a vulnerability exists for the specific firmware. <br>🔄 **Mitigation**: Check for firmware updates from ONKYO.…

🚧 **No Patch Workaround**: <br>1. **Network Segmentation**: Isolate the device from untrusted networks. <br>2. **Firewall Rules**: Block external access to the device's management ports. <br>3.…

⚡ **Urgency**: **MEDIUM-HIGH**. <br>📉 **Priority**: High due to **unauthenticated** remote access. <br>🎯 **Action**: Immediate scanning and isolation recommended for devices running firmware `1000-0000-000-0008-0000`.…