CVE-2025-9523 — AI Deep Analysis Summary

🚨 **Essence**: Stack Buffer Overflow in Tenda AC1206. 💥 **Consequences**: Remote Code Execution (RCE), full system compromise, data theft. Critical impact on Confidentiality, Integrity, and Availability.

🛡️ **Root Cause**: CWE-121 (Stack-based Buffer Overflow). 🐛 **Flaw**: Improper handling of the `mac` parameter in the `/goform/GetParentControlInfo` endpoint. Input exceeds buffer limits.

📦 **Affected Product**: Tenda AC1206 Wireless Gigabit Router. 📅 **Vulnerable Version**: Firmware 15.03.06.23. ⚠️ Check your router model and firmware version immediately.

🕵️ **Attacker Actions**: Execute arbitrary code with **root privileges**. 📂 **Data Access**: Full control over the device, potential network pivoting, and sensitive data exfiltration. CVSS Score: High (9.8).

🔓 **Threshold**: LOW. 🌐 **Auth**: None required (PR:N). 📡 **Vector**: Network (AV:N). 🚫 **UI**: None required (UI:N). Easy remote exploitation without login.

🔥 **Public Exploit**: YES. 📂 **Source**: GitHub (iot-cve repo) and VulDB. 📝 **Details**: Technical descriptions and indicators of compromise (IOB/IOC) are available. Wild exploitation is possible.

🔍 **Self-Check**: Scan for open HTTP ports on Tenda devices. 📡 **Probe**: Send malformed requests to `/goform/GetParentControlInfo` with oversized `mac` fields. 🛠️ **Tools**: Use Nmap scripts or specialized IoT scanners.

🔄 **Official Patch**: Vendor (Tenda) is the source. 📥 **Action**: Check Tenda official website for firmware updates > 15.03.06.23. 📝 **Reference**: See Tenda support page for latest secure firmware.

🚧 **No Patch?**: Isolate the device from the internet. 🚫 **Block**: Firewall rules blocking external access to port 80/443 on the router. 🔄 **Mitigate**: Disable remote management features if available.

🔴 **Urgency**: CRITICAL. 🚨 **Priority**: Patch IMMEDIATELY. CVSS 9.8 + Public Exploit = High Risk. Do not delay. Secure your home/office network now.