CVE-2025-8731 — AI Deep Analysis Summary

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-1392** (Use of Hard-coded Credentials). 🔍 **Flaw**: The SSH service is configured with predictable, unchangeable default usernames/passwords out-of-the-box, bypassing authentication security.

Q: Who is affected? (Versions/Components)

📦 **Affected Products**: • **TI-G160i** (Smart Managed Switch) • **TI-PG102i** (Smart Managed Switch) • **TPL-430AP** (Wireless Access Point) ⚠️ **Versions**: All versions **prior to 20250724**.

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

📉 **Threshold**: **LOW**. 🔓 **Auth**: No authentication required (PR:N). 🌐 **Access**: Network accessible (AV:N). 🎯 **Complexity**: Low (AC:L). Anyone on the network can try default creds.

Q: Is there a public Exp? (PoC/Wild Exploitation)

📜 **Public Exp?**: Yes. 🔗 **Evidence**: VDB-319227 and GitHub PoC (Nicholas-wei) confirm exploitation. ⚠️ **Status**: Wild exploitation is likely given the simplicity of default creds.

Q: How to self-check? (Features/Scanning)

🔍 **Self-Check**: 1. Scan for open **SSH (Port 22)** on TRENDnet IPs. 2. Attempt login with known default creds (e.g., admin/admin). 3. Check firmware version against **20250724** cutoff.

Q: Is it fixed officially? (Patch/Mitigation)

🩹 **Fix**: **Yes**. 🔄 **Patch**: Update firmware to version **20250724 or later**. 📥 **Source**: Official TRENDnet support site for each specific model.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. ⏱️ **Priority**: **Immediate Action Required**. 📢 **Reason**: CVSS Score is **High** (likely 9.8+), easy to exploit, and affects critical network hardware (switches/APs).

Updated May 06, 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**: TRENDnet devices ship with **Default Credentials** for SSH. <br>💥 **Consequences**: Full remote compromise.…

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Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-1392** (Use of Hard-coded Credentials). <br>🔍 **Flaw**: The SSH service is configured with predictable, unchangeable default usernames/passwords out-of-the-box, bypassing authentication security.

Q3Who is affected? (Versions/Components)

📦 **Affected Products**: <br>• **TI-G160i** (Smart Managed Switch) <br>• **TI-PG102i** (Smart Managed Switch) <br>• **TPL-430AP** (Wireless Access Point) <br>⚠️ **Versions**: All versions **prior to 20250724**.

Q4What can hackers do? (Privileges/Data)

👑 **Privileges**: High. CVSS **H** (High) for Confidentiality, Integrity, and Availability.…

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Q5Is exploitation threshold high? (Auth/Config)

📉 **Threshold**: **LOW**. <br>🔓 **Auth**: No authentication required (PR:N). <br>🌐 **Access**: Network accessible (AV:N). <br>🎯 **Complexity**: Low (AC:L). Anyone on the network can try default creds.

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

📜 **Public Exp?**: Yes. <br>🔗 **Evidence**: VDB-319227 and GitHub PoC (Nicholas-wei) confirm exploitation. <br>⚠️ **Status**: Wild exploitation is likely given the simplicity of default creds.

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: <br>1. Scan for open **SSH (Port 22)** on TRENDnet IPs. <br>2. Attempt login with known default creds (e.g., admin/admin). <br>3. Check firmware version against **20250724** cutoff.

Q8Is it fixed officially? (Patch/Mitigation)

🩹 **Fix**: **Yes**. <br>🔄 **Patch**: Update firmware to version **20250724 or later**. <br>📥 **Source**: Official TRENDnet support site for each specific model.

Q9What if no patch? (Workaround)

🚧 **No Patch?**: <br>1. **Change Passwords**: Immediately set strong, unique SSH passwords. <br>2. **Network Segmentation**: Block SSH access from untrusted networks. <br>3.…

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Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. <br>⏱️ **Priority**: **Immediate Action Required**. <br>📢 **Reason**: CVSS Score is **High** (likely 9.8+), easy to exploit, and affects critical network hardware (switches/APs).

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Vulnerability detail Full AI analysis (login) TRENDnet CWE-1392