CVE-2015-2051 — AI Deep Analysis Summary

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

🚨 **Essence**: Critical Command Injection in D-Link DIR-645 Router. 📉 **Consequences**: Remote attackers can execute arbitrary code via the HNAP interface. Total device compromise is possible! 💥

Q: Who is affected? (Versions/Components)

📦 **Affected Product**: D-Link DIR-645 Wired/Wireless Router. 📅 **Versions**: Firmware version **1.04b12 and earlier**. ⚠️ **Hardware**: Rev. Ax models. Check your label! 🏷️

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

🔓 **Threshold**: **LOW**. 🌐 **Auth**: Remote exploitation possible. No local access required. 📡 **Config**: Exploits the HNAP interface, which is often exposed. ⚡ Easy to trigger from the internet. 🌍

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

🔥 **Public Exploit**: **YES**. 📜 **Source**: Exploit-DB #37171 is available. 📢 **Status**: Wild exploitation is likely given the low barrier. 🚀 Proof-of-Concepts exist. 💻

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

🩹 **Official Fix**: **YES**. 📢 **Vendor**: D-Link released security advisories (SAP10051, SAP10282). 🔄 **Action**: Update to the latest firmware immediately. 📥 Check D-Link support site. ✅

Q: What if no patch? (Workaround)

🚧 **No Patch?**: Disable HNAP if possible. 🚫 **Network**: Block external access to HNAP ports (49000). 🛑 **Isolate**: Segment the router from critical networks. 📵 **Monitor**: Watch for unusual outbound traffic. 📡

Q: Is it urgent? (Priority Suggestion)

🚨 **Urgency**: **CRITICAL**. 🔴 **Priority**: Patch IMMEDIATELY. ⏳ **Risk**: Active exploits exist. 🌍 **Impact**: High. Every unpatched DIR-645 is a ticking time bomb. 💣 Act now! ⚡

Updated May 06, 2026

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Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: Critical Command Injection in D-Link DIR-645 Router. 📉 **Consequences**: Remote attackers can execute arbitrary code via the HNAP interface. Total device compromise is possible! 💥

Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: Improper input validation in the HNAP (Home Network Administration Protocol) interface. Specifically, the `GetDeviceSettings` operation allows injection.…

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Q3Who is affected? (Versions/Components)

📦 **Affected Product**: D-Link DIR-645 Wired/Wireless Router. 📅 **Versions**: Firmware version **1.04b12 and earlier**. ⚠️ **Hardware**: Rev. Ax models. Check your label! 🏷️

Q4What can hackers do? (Privileges/Data)

👑 **Privileges**: Remote Code Execution (RCE). 🕵️ **Action**: Hackers can run system commands with the privileges of the router's OS.…

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Q5Is exploitation threshold high? (Auth/Config)

🔓 **Threshold**: **LOW**. 🌐 **Auth**: Remote exploitation possible. No local access required. 📡 **Config**: Exploits the HNAP interface, which is often exposed. ⚡ Easy to trigger from the internet. 🌍

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

🔥 **Public Exploit**: **YES**. 📜 **Source**: Exploit-DB #37171 is available. 📢 **Status**: Wild exploitation is likely given the low barrier. 🚀 Proof-of-Concepts exist. 💻

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: Scan for HNAP services on port 49000 (default). 📡 **Feature**: Look for `GetDeviceSettings` requests. 🛠️ **Tool**: Use vulnerability scanners targeting D-Link HNAP flaws.…

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Q8Is it fixed officially? (Patch/Mitigation)

🩹 **Official Fix**: **YES**. 📢 **Vendor**: D-Link released security advisories (SAP10051, SAP10282). 🔄 **Action**: Update to the latest firmware immediately. 📥 Check D-Link support site. ✅

Q9What if no patch? (Workaround)

🚧 **No Patch?**: Disable HNAP if possible. 🚫 **Network**: Block external access to HNAP ports (49000). 🛑 **Isolate**: Segment the router from critical networks. 📵 **Monitor**: Watch for unusual outbound traffic. 📡

Q10Is it urgent? (Priority Suggestion)

🚨 **Urgency**: **CRITICAL**. 🔴 **Priority**: Patch IMMEDIATELY. ⏳ **Risk**: Active exploits exist. 🌍 **Impact**: High. Every unpatched DIR-645 is a ticking time bomb. 💣 Act now! ⚡

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