CVE-2023-4542 — AI Deep Analysis Summary

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

🚨 **Essence**: OS Command Injection in D-Link DAR-8000. 💥 **Consequences**: Attackers can execute arbitrary system commands. This leads to full device compromise, data theft, and potential network takeover. 📉

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: CWE-78 (OS Command Injection). 🔍 **Flaw**: The `/app/sys1.php` file fails to sanitize the `id` parameter. Malicious input is passed directly to the OS shell. ⚠️

Q: Who is affected? (Versions/Components)

🏢 **Vendor**: D-Link (China). 📦 **Product**: DAR-8000-10 Online Behavior Audit Gateway. 📌 **Specifics**: Version 10 is explicitly vulnerable. Check your firmware version! 📋

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

💻 **Public Exploit**: YES. 🔗 **PoC**: Available on GitHub (PumpkinBridge). 🤖 **Scanner**: Nuclei templates exist. 🌍 **Wild Exploit**: Active scanning likely. Don't wait! 🏃♂️

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

🩹 **Official Patch**: Data does not confirm a specific patch release date. ⏳ **Status**: Published Aug 2023. Check D-Link support site for firmware updates immediately. If no patch, assume vulnerable. 📞

Q: Is it urgent? (Priority Suggestion)

🔥 **Priority**: HIGH. 📈 **CVSS**: 7.5 (High). ⚡ **Urgency**: Patch immediately or isolate. Public exploits exist. Critical infrastructure (audit gateway) is at risk. Do not ignore! 🚨

Updated May 06, 2026 CVSS 6.3 · Medium

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**: OS Command Injection in D-Link DAR-8000. <br>💥 **Consequences**: Attackers can execute arbitrary system commands. This leads to full device compromise, data theft, and potential network takeover. 📉

Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: CWE-78 (OS Command Injection). <br>🔍 **Flaw**: The `/app/sys1.php` file fails to sanitize the `id` parameter. Malicious input is passed directly to the OS shell. ⚠️

Q3Who is affected? (Versions/Components)

🏢 **Vendor**: D-Link (China). <br>📦 **Product**: DAR-8000-10 Online Behavior Audit Gateway. <br>📌 **Specifics**: Version 10 is explicitly vulnerable. Check your firmware version! 📋

Q4What can hackers do? (Privileges/Data)

👑 **Privileges**: Likely Root/System level access. <br>📂 **Data**: Full read/write access to the device. <br>🌐 **Impact**: Can install backdoors, exfiltrate logs, or pivot to other internal networks.…

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Q5Is exploitation threshold high? (Auth/Config)

🔐 **Auth Required**: YES. <br>📝 **Config**: Low complexity. <br>📊 **Threshold**: Medium. Requires valid credentials (PR:L) but has Low Attack Complexity (AC:L).…

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

💻 **Public Exploit**: YES. <br>🔗 **PoC**: Available on GitHub (PumpkinBridge). <br>🤖 **Scanner**: Nuclei templates exist. <br>🌍 **Wild Exploit**: Active scanning likely. Don't wait! 🏃‍♂️

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: Scan for `/app/sys1.php` endpoint. <br>🧪 **Test**: Use the provided PoC URL structure with base64 encoded SQL commands.…

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Q8Is it fixed officially? (Patch/Mitigation)

🩹 **Official Patch**: Data does not confirm a specific patch release date. <br>⏳ **Status**: Published Aug 2023. Check D-Link support site for firmware updates immediately. If no patch, assume vulnerable. 📞

Q9What if no patch? (Workaround)

🚧 **Workaround**: <br>1. Restrict access to management interface (Firewall/ACL). <br>2. Change default passwords immediately. <br>3. Isolate the gateway from critical networks. <br>4.…

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Q10Is it urgent? (Priority Suggestion)

🔥 **Priority**: HIGH. <br>📈 **CVSS**: 7.5 (High). <br>⚡ **Urgency**: Patch immediately or isolate. Public exploits exist. Critical infrastructure (audit gateway) is at risk. Do not ignore! 🚨

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Vulnerability detail Full AI analysis (login) D-Link CWE-78