CVE-2024-8162 — AI Deep Analysis Summary

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: CWE-798 (Use of Hard-coded Credentials). 🐛 **Flaw**: An unknown function in the Telnet service component contains static, unchangeable login details embedded directly in the firmware.

Q: Who is affected? (Versions/Components)

🏷️ **Vendor**: TOTOLINK (China Jixiong Electronics). 📦 **Product**: AC1200 / T10 AC1200. 📅 **Affected Version**: 4.1.8cu.5207 specifically. 🌐 **Component**: Telnet service.

Q: Is exploitation threshold high? (Auth/Config)

📉 **Threshold**: LOW. 🌍 **Access**: Network Accessible (AV:N). 🔑 **Auth**: None required (PR:N) because credentials are hard-coded and known. 🚫 **UI**: No user interaction needed (UI:N).

Q: Is it urgent? (Priority Suggestion)

🔥 **Priority**: CRITICAL. 🚨 **Urgency**: High. CVSS is High severity with no auth required. ⏳ **Time**: Immediate action needed. 📉 **Impact**: Complete loss of device security. 🏃 **Action**: Patch or disable Telnet NOW.

Updated May 08, 2026 CVSS 9.8 · Critical

This is a summary of the AI-generated 10-question deep analysis. The full version (longer answers, follow-up Q&A, related CVEs) requires login. Read the full analysis →

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: Hard-coded credentials in Telnet service component. 📄 Found in `/squashfs-root/web_cste/cgi-bin/product.ini`.…

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Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: CWE-798 (Use of Hard-coded Credentials). 🐛 **Flaw**: An unknown function in the Telnet service component contains static, unchangeable login details embedded directly in the firmware.

Q3Who is affected? (Versions/Components)

🏷️ **Vendor**: TOTOLINK (China Jixiong Electronics). 📦 **Product**: AC1200 / T10 AC1200. 📅 **Affected Version**: 4.1.8cu.5207 specifically. 🌐 **Component**: Telnet service.

Q4What can hackers do? (Privileges/Data)

🔓 **Privileges**: High. CVSS Score indicates Complete impact on Confidentiality, Integrity, and Availability. 💾 **Data**: Attackers can read, modify, or delete any data.…

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Q5Is exploitation threshold high? (Auth/Config)

📉 **Threshold**: LOW. 🌍 **Access**: Network Accessible (AV:N). 🔑 **Auth**: None required (PR:N) because credentials are hard-coded and known. 🚫 **UI**: No user interaction needed (UI:N).

Q6Is there a public Exp? (PoC/Wild Exploitation)

🔍 **Exploit Status**: Yes. 📂 **Resources**: GitHub repo `rohitburke/TOTOLINK` exists. 📝 **Advisories**: VDB-275760 and Submit #392015 confirm hard-coded credential issues.…

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Q7How to self-check? (Features/Scanning)

🔎 **Check**: Scan for Telnet service on port 23. 📂 **Inspect**: Look for `/squashfs-root/web_cste/cgi-bin/product.ini` in firmware images. 🆔 **Verify**: Check if device version matches `4.1.8cu.5207`.…

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Q8Is it fixed officially? (Patch/Mitigation)

🛠️ **Official Fix**: Not explicitly detailed in the snippet, but vendors usually release patches. 📢 **Action**: Check `totolink.net` for firmware updates.…

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Q9What if no patch? (Workaround)

🚫 **Workaround**: Disable Telnet service entirely via router settings. 🧱 **Network**: Block port 23 at the firewall level. 🔄 **Update**: Upgrade to a newer, patched firmware version immediately.…

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Q10Is it urgent? (Priority Suggestion)

🔥 **Priority**: CRITICAL. 🚨 **Urgency**: High. CVSS is High severity with no auth required. ⏳ **Time**: Immediate action needed. 📉 **Impact**: Complete loss of device security. 🏃 **Action**: Patch or disable Telnet NOW.

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Vulnerability detail Full AI analysis (login) TOTOLINK CWE-798