CVE-2024-39768 — AI Deep Analysis Summary

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

🚨 **Essence**: Buffer Overflow in WAVLINK AC3000 Router. 💥 **Consequences**: Full system compromise. High CVSS score means critical impact on Confidentiality, Integrity, and Availability.

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: CWE-120 (Buffer Copy without Checking Size). 🔍 **Flaw**: Multiple buffer overflow vulnerabilities in the firmware logic.

Q: Who is affected? (Versions/Components)

📦 **Affected**: WAVLINK AC3000 (Wavlink). 🔢 **Version**: M33A8.V5030.210505. 🌏 **Vendor**: Wavlink (China).

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

👑 **Privileges**: Likely Root/Admin access due to S:C (Scope Changed) and C:H/I:H/A:H. 📂 **Data**: Total data exposure, modification, and service denial possible.

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

🔐 **Threshold**: Medium. 📝 **Auth**: PR:H (Privileges Required: High). ⚙️ **Config**: AC:L (Attack Complexity: Low). Needs valid credentials to exploit.

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

🚫 **Public Exp**: No PoC listed in data. 📰 **Source**: Talos Intelligence report (TALOS-2024-2022). ⚠️ **Status**: Theoretical risk until PoC emerges.

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

🔍 **Check**: Scan for WAVLINK AC3000 devices. 🔎 **Verify**: Check firmware version `M33A8.V5030.210505`. 📡 **Feature**: Look for exposed management interfaces.

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

🛠️ **Fix**: Update firmware immediately. 📥 **Action**: Visit Wavlink support site for newer version. ✅ **Goal**: Patch the buffer overflow flaws.

Q: What if no patch? (Workaround)

🚧 **Workaround**: Disable remote management. 🔒 **Network**: Isolate device in VLAN. 👤 **Access**: Ensure only trusted users have admin login.

Q: Is it urgent? (Priority Suggestion)

⚡ **Urgency**: HIGH. 📊 **Score**: CVSS 3.1 High severity. 🚀 **Priority**: Patch ASAP if you own this specific router model/version.

Updated May 06, 2026 CVSS 9.1 · 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**: Buffer Overflow in WAVLINK AC3000 Router. <br>💥 **Consequences**: Full system compromise. High CVSS score means critical impact on Confidentiality, Integrity, and Availability.

Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: CWE-120 (Buffer Copy without Checking Size). <br>🔍 **Flaw**: Multiple buffer overflow vulnerabilities in the firmware logic.

Q3Who is affected? (Versions/Components)

📦 **Affected**: WAVLINK AC3000 (Wavlink). <br>🔢 **Version**: M33A8.V5030.210505. <br>🌏 **Vendor**: Wavlink (China).

Q4What can hackers do? (Privileges/Data)

👑 **Privileges**: Likely Root/Admin access due to S:C (Scope Changed) and C:H/I:H/A:H. <br>📂 **Data**: Total data exposure, modification, and service denial possible.

Q5Is exploitation threshold high? (Auth/Config)

🔐 **Threshold**: Medium. <br>📝 **Auth**: PR:H (Privileges Required: High). <br>⚙️ **Config**: AC:L (Attack Complexity: Low). Needs valid credentials to exploit.

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

🚫 **Public Exp**: No PoC listed in data. <br>📰 **Source**: Talos Intelligence report (TALOS-2024-2022). <br>⚠️ **Status**: Theoretical risk until PoC emerges.

Q7How to self-check? (Features/Scanning)

🔍 **Check**: Scan for WAVLINK AC3000 devices. <br>🔎 **Verify**: Check firmware version `M33A8.V5030.210505`. <br>📡 **Feature**: Look for exposed management interfaces.

Q8Is it fixed officially? (Patch/Mitigation)

🛠️ **Fix**: Update firmware immediately. <br>📥 **Action**: Visit Wavlink support site for newer version. <br>✅ **Goal**: Patch the buffer overflow flaws.

Q9What if no patch? (Workaround)

🚧 **Workaround**: Disable remote management. <br>🔒 **Network**: Isolate device in VLAN. <br>👤 **Access**: Ensure only trusted users have admin login.

Q10Is it urgent? (Priority Suggestion)

⚡ **Urgency**: HIGH. <br>📊 **Score**: CVSS 3.1 High severity. <br>🚀 **Priority**: Patch ASAP if you own this specific router model/version.

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Vulnerability detail Full AI analysis (login) Wavlink CWE-120