CVE-2025-27129 — AI Deep Analysis Summary

Q: What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: HTTP Auth Bypass in Tenda AC6. 💥 **Consequences**: Leads to **Arbitrary Code Execution**. Critical integrity/availability loss.

Q: Root Cause? (CWE/Flaw)

🛡️ **CWE-288**: Authentication Bypass. 🔍 **Flaw**: HTTP authentication logic is flawed, allowing unauthorized access.

Q: Who is affected? (Versions/Components)

📦 **Vendor**: Tenda. 📱 **Product**: AC6 V5.0. 🔢 **Version**: V02.03.01.110 specifically affected.

Q: What can hackers do? (Privileges/Data)

👑 **Privileges**: Full Control. 💻 **Action**: Hackers can execute **arbitrary code** on the device. 📊 **Impact**: High Confidentiality, Integrity, and Availability loss.

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

🔓 **Threshold**: **LOW**. 🌐 **Auth**: None required (PR:N). 📡 **Network**: Remote (AV:N). 🎯 **Complexity**: Low (AC:L).

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

📜 **Public Exp?**: No PoC listed in data. 🔗 **Ref**: Talos Intelligence report (TALOS-2025-2165) available for details.

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

🔍 **Check**: Scan for Tenda AC6 devices. 📡 **Feature**: Test HTTP authentication endpoints. 🛠️ **Tool**: Use vulnerability scanners targeting CVE-2025-27129.

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

🩹 **Fix**: Update firmware to patched version. 📅 **Date**: Published 2025-08-20. ⚠️ **Note**: Check vendor site for specific patch release.

Q: What if no patch? (Workaround)

🚧 **Workaround**: Isolate device on VLAN. 🔒 **Block**: Restrict HTTP access via firewall rules. 👀 **Monitor**: Watch for unusual outbound connections.

Q: Is it urgent? (Priority Suggestion)

🔥 **Priority**: **CRITICAL**. ⚡ **Urgency**: High. Remote, unauthenticated, code execution. 🏃 **Action**: Patch immediately or isolate.

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**: HTTP Auth Bypass in Tenda AC6. <br>💥 **Consequences**: Leads to **Arbitrary Code Execution**. Critical integrity/availability loss.

Q2Root Cause? (CWE/Flaw)

🛡️ **CWE-288**: Authentication Bypass. <br>🔍 **Flaw**: HTTP authentication logic is flawed, allowing unauthorized access.

Q3Who is affected? (Versions/Components)

📦 **Vendor**: Tenda. <br>📱 **Product**: AC6 V5.0. <br>🔢 **Version**: V02.03.01.110 specifically affected.

Q4What can hackers do? (Privileges/Data)

👑 **Privileges**: Full Control. <br>💻 **Action**: Hackers can execute **arbitrary code** on the device. <br>📊 **Impact**: High Confidentiality, Integrity, and Availability loss.

Q5Is exploitation threshold high? (Auth/Config)

🔓 **Threshold**: **LOW**. <br>🌐 **Auth**: None required (PR:N). <br>📡 **Network**: Remote (AV:N). <br>🎯 **Complexity**: Low (AC:L).

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

📜 **Public Exp?**: No PoC listed in data. <br>🔗 **Ref**: Talos Intelligence report (TALOS-2025-2165) available for details.

Q7How to self-check? (Features/Scanning)

🔍 **Check**: Scan for Tenda AC6 devices. <br>📡 **Feature**: Test HTTP authentication endpoints. <br>🛠️ **Tool**: Use vulnerability scanners targeting CVE-2025-27129.

Q8Is it fixed officially? (Patch/Mitigation)

🩹 **Fix**: Update firmware to patched version. <br>📅 **Date**: Published 2025-08-20. <br>⚠️ **Note**: Check vendor site for specific patch release.

Q9What if no patch? (Workaround)

🚧 **Workaround**: Isolate device on VLAN. <br>🔒 **Block**: Restrict HTTP access via firewall rules. <br>👀 **Monitor**: Watch for unusual outbound connections.

Q10Is it urgent? (Priority Suggestion)

🔥 **Priority**: **CRITICAL**. <br>⚡ **Urgency**: High. Remote, unauthenticated, code execution. <br>🏃 **Action**: Patch immediately or isolate.

Continue exploring

Vulnerability detail Full AI analysis (login) Tenda CWE-288