CVE-2021-46422 — AI Deep Analysis Summary

🚨 **Essence**: OS Command Injection in Telesquare SDT-CW3B1. <br>💥 **Consequences**: Remote attackers can execute arbitrary OS commands. Total system compromise is possible without any user interaction.

🛡️ **Root Cause**: Improper neutralization of special elements used in an OS command (**OS Command Injection**). The device fails to sanitize user inputs before passing them to the underlying operating system.

📦 **Affected**: Telesquare SDT-CW3B1 Wireless Router. <br>🔢 **Version**: Specifically **1.1.0**. <br>🌍 **Vendor**: Telesquare (South Korea).

👑 **Privileges**: Full OS command execution rights. <br>📂 **Data**: Potential access to all system files, network configs, and connected devices. <br>⚠️ **Impact**: Complete remote control of the router.

🔓 **Threshold**: **EXTREMELY LOW**. <br>🚫 **Auth**: **No authentication required**. <br>🌐 **Access**: Remote exploitation is possible directly over the network.

💻 **Public Exp**: **YES**. Multiple Proof-of-Concept (PoC) scripts are available on GitHub (e.g., by nobodyatall648, Chocapikk). <br>🔥 **Status**: Actively exploitable in the wild.

🔍 **Self-Check**: <br>1. Identify if you have Telesquare SDT-CW3B1 routers. <br>2. Verify firmware version is **1.1.0**. <br>3. Use automated scanners targeting CVE-2021-46422. <br>4.…

🩹 **Official Patch**: The provided data does not explicitly list a vendor patch link.…

🛡️ **Workaround**: <br>1. **Isolate**: Move affected routers to a segmented VLAN. <br>2. **Firewall**: Block external access to the router's management interface. <br>3.…

🚨 **Urgency**: **CRITICAL**. <br>🔥 **Priority**: **P0**. <br>💡 **Reason**: Unauthenticated remote code execution (RCE) is a high-severity threat. Immediate action is required to prevent total device takeover.