CVE-2024-39783 — AI Deep Analysis Summary

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: CWE-77 (Command Injection). 🔍 **Flaw**: The firmware fails to properly sanitize user input before passing it to the operating system. Multiple injection points exist within the vulnerable version.

Q: Who is affected? (Versions/Components)

📦 **Affected**: WAVLINK AC3000 Router. 🏷️ **Specific Version**: M33A8.V5030.210505. 🏢 **Vendor**: Wavlink (China). ⚠️ **Note**: Only this specific firmware version is confirmed vulnerable.

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

🔐 **Threshold**: High. 📝 **Auth Required**: Yes (PR:H in CVSS). 👤 **UI Required**: No (UI:N). 📡 **Access**: Network (AV:N). ⚠️ **Reality**: Attacker needs valid admin credentials to trigger the injection.

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

🚫 **Public Exploit**: None listed in data (POCs: []). 📰 **References**: Talos Intelligence report available. 🔍 **Status**: Theoretical/Unconfirmed wild exploitation. No public PoC code provided in this dataset.

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

🛡️ **Official Fix**: Update firmware immediately. 📥 **Action**: Visit Wavlink support site. 🔄 **Patch**: Upgrade to a version newer than V5030.210505. ✅ **Goal**: Eliminate the injection vectors.

Q: What if no patch? (Workaround)

🚧 **Workaround**: 1. Change default admin passwords. 2. Disable remote management features. 3. Isolate IoT devices on a separate VLAN. 🔒 **Limit**: Does not fix the flaw, only reduces exposure surface.

Q: Is it urgent? (Priority Suggestion)

⚡ **Urgency**: HIGH. 📅 **Published**: Jan 14, 2025. 📊 **CVSS**: 9.8 (Critical). 🎯 **Priority**: Patch immediately if running the affected version. Do not ignore this critical severity rating.

Updated May 06, 2026 CVSS 9.1 · Critical

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Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: Command Injection in WAVLINK AC3000 routers. <br>🔥 **Consequences**: Attackers can execute arbitrary OS commands. This leads to total device compromise, data theft, and network takeover.…

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Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: CWE-77 (Command Injection). <br>🔍 **Flaw**: The firmware fails to properly sanitize user input before passing it to the operating system. Multiple injection points exist within the vulnerable version.

Q3Who is affected? (Versions/Components)

📦 **Affected**: WAVLINK AC3000 Router. <br>🏷️ **Specific Version**: M33A8.V5030.210505. <br>🏢 **Vendor**: Wavlink (China). <br>⚠️ **Note**: Only this specific firmware version is confirmed vulnerable.

Q4What can hackers do? (Privileges/Data)

💀 **Attacker Actions**: Full remote command execution. <br>🔓 **Privileges**: Likely root/system level access. <br>📂 **Data**: Complete read/write access to device files.…

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Q5Is exploitation threshold high? (Auth/Config)

🔐 **Threshold**: High. <br>📝 **Auth Required**: Yes (PR:H in CVSS). <br>👤 **UI Required**: No (UI:N). <br>📡 **Access**: Network (AV:N). <br>⚠️ **Reality**: Attacker needs valid admin credentials to trigger the injection.

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

🚫 **Public Exploit**: None listed in data (POCs: []). <br>📰 **References**: Talos Intelligence report available. <br>🔍 **Status**: Theoretical/Unconfirmed wild exploitation. No public PoC code provided in this dataset.

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: 1. Log into router admin panel. <br>2. Check Firmware Version. <br>3. Verify if it matches **M33A8.V5030.210505**.…

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Q8Is it fixed officially? (Patch/Mitigation)

🛡️ **Official Fix**: Update firmware immediately. <br>📥 **Action**: Visit Wavlink support site. <br>🔄 **Patch**: Upgrade to a version newer than V5030.210505. <br>✅ **Goal**: Eliminate the injection vectors.

Q9What if no patch? (Workaround)

🚧 **Workaround**: 1. Change default admin passwords. <br>2. Disable remote management features. <br>3. Isolate IoT devices on a separate VLAN. <br>🔒 **Limit**: Does not fix the flaw, only reduces exposure surface.

Q10Is it urgent? (Priority Suggestion)

⚡ **Urgency**: HIGH. <br>📅 **Published**: Jan 14, 2025. <br>📊 **CVSS**: 9.8 (Critical). <br>🎯 **Priority**: Patch immediately if running the affected version. Do not ignore this critical severity rating.

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Vulnerability detail Full AI analysis (login) Wavlink CWE-77