CVE-2026-5995 — AI Deep Analysis Summary

🚨 **Essence**: Critical OS Command Injection in TOTOLINK A7100RU. <br>💥 **Consequences**: Attackers can execute arbitrary system commands. This leads to full device compromise, data theft, and network takeover.…

🛡️ **Root Cause**: CWE-78 (OS Command Injection). <br>🔍 **Flaw**: The `setMiniuiHomeInfoShow` function in `/cgi-bin/cstecgi.cgi` fails to validate the `lan_info` parameter.…

📦 **Affected Product**: TOTOLINK A7100RU Wireless Router. <br>🔢 **Specific Version**: Firmware 7.4cu.2313_b20191024. <br>🏢 **Vendor**: Totolink (China). Only this specific build is confirmed vulnerable.…

👑 **Privileges**: Full System Control. <br>📂 **Data**: Complete access to sensitive data. <br>🌐 **Network**: Can pivot to internal networks. <br>💣 **Action**: Hackers can run ANY command as root/admin. No restrictions.…

🔓 **Auth Required**: NO. <br>🌍 **Access**: Network Accessible (AV:N). <br>🎯 **Complexity**: Low (AC:L). <br>👤 **UI**: None required (UI:N). <br>✅ **Threshold**: VERY LOW.…

📂 **Public Exploit**: YES. <br>🔗 **Source**: GitHub repository `Litengzheng/vuldb_new` contains PoC. <br>📝 **VDB**: VDB-356549 has technical descriptions. <br>⚠️ **Status**: Exploitable code is available online.…

🔍 **Self-Check**: Scan for `/cgi-bin/cstecgi.cgi`. <br>📡 **Feature**: Look for the `setMiniuiHomeInfoShow` endpoint. <br>🧪 **Test**: Send crafted `lan_info` payloads.…

🩹 **Official Patch**: Data does NOT confirm a fixed version yet. <br>📅 **Published**: 2026-04-10. <br>🔄 **Status**: Likely still vulnerable in current builds.…

🚧 **Workaround**: Isolate the device. <br>🔒 **Network**: Place behind a strict firewall/WAF. <br>🚫 **Access**: Block external access to port 80/443. <br>🛡️ **Defense**: Input filtering at the network perimeter.…

🔥 **Urgency**: CRITICAL. <br>📈 **Priority**: P1 (Immediate Action). <br>⏱️ **Time**: Exploits are public. <br>🎯 **Target**: High impact, low barrier.…