CVE-2023-45318 — AI Deep Analysis Summary

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

🚨 **Essence**: Heap-based buffer overflow in Weston Embedded uC-HTTP. 📉 **Consequences**: Full system compromise. CVSS 9.8 (Critical). Crash, data leak, or remote code execution possible.

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: CWE-122 (Heap-based Buffer Overflow). 🐛 **Flaw**: Improper memory handling in the HTTP server function. Input exceeds allocated heap space.

Q: Who is affected? (Versions/Components)

🏢 **Vendor**: Silicon Labs. 📦 **Product**: Gecko Platform (Weston Embedded uC-HTTP). ⚠️ **Scope**: Embedded systems using this specific HTTP service.

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

💀 **Attacker Action**: Remote Code Execution (RCE). 🔓 **Privileges**: System-level access. 📂 **Data**: Full read/write access. 🌐 **Impact**: Complete control over the embedded device.

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

🔓 **Threshold**: LOW. 🚫 **Auth**: None required (PR:N). 🌍 **Access**: Network (AV:N). 🎯 **Complexity**: Low (AC:L). Easy to exploit remotely.

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

📜 **Public Exp**: No PoC listed in data. 🌐 **Reference**: Talos Intelligence report (TALOS-2023-1843) exists. ⚠️ **Risk**: High potential for wild exploitation due to low barrier.

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

🔍 **Check**: Scan for Weston Embedded uC-HTTP service. 📡 **Port**: Check HTTP ports on embedded devices. 🧪 **Test**: Send malformed HTTP requests to trigger overflow (if safe).

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

🛠️ **Fix**: Update Silicon Labs Gecko Platform. 📅 **Published**: Feb 20, 2024. ✅ **Status**: Patch available from vendor. Check official security advisories.

Q: What if no patch? (Workaround)

🚧 **Workaround**: Disable uC-HTTP if not needed. 🚫 **Network**: Block external access to HTTP ports. 🛡️ **WAF**: Filter malformed HTTP headers. 📉 **Limit**: Reduce attack surface.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: CRITICAL. 🚨 **Priority**: Patch IMMEDIATELY. ⏱️ **Time**: CVSS 9.8 + No Auth = High Risk. 📢 **Action**: Prioritize for embedded IoT/Industrial devices.

Updated May 08, 2026 CVSS 10.0 · 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**: Heap-based buffer overflow in Weston Embedded uC-HTTP. 📉 **Consequences**: Full system compromise. CVSS 9.8 (Critical). Crash, data leak, or remote code execution possible.

Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: CWE-122 (Heap-based Buffer Overflow). 🐛 **Flaw**: Improper memory handling in the HTTP server function. Input exceeds allocated heap space.

Q3Who is affected? (Versions/Components)

🏢 **Vendor**: Silicon Labs. 📦 **Product**: Gecko Platform (Weston Embedded uC-HTTP). ⚠️ **Scope**: Embedded systems using this specific HTTP service.

Q4What can hackers do? (Privileges/Data)

💀 **Attacker Action**: Remote Code Execution (RCE). 🔓 **Privileges**: System-level access. 📂 **Data**: Full read/write access. 🌐 **Impact**: Complete control over the embedded device.

Q5Is exploitation threshold high? (Auth/Config)

🔓 **Threshold**: LOW. 🚫 **Auth**: None required (PR:N). 🌍 **Access**: Network (AV:N). 🎯 **Complexity**: Low (AC:L). Easy to exploit remotely.

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

📜 **Public Exp**: No PoC listed in data. 🌐 **Reference**: Talos Intelligence report (TALOS-2023-1843) exists. ⚠️ **Risk**: High potential for wild exploitation due to low barrier.

Q7How to self-check? (Features/Scanning)

🔍 **Check**: Scan for Weston Embedded uC-HTTP service. 📡 **Port**: Check HTTP ports on embedded devices. 🧪 **Test**: Send malformed HTTP requests to trigger overflow (if safe).

Q8Is it fixed officially? (Patch/Mitigation)

🛠️ **Fix**: Update Silicon Labs Gecko Platform. 📅 **Published**: Feb 20, 2024. ✅ **Status**: Patch available from vendor. Check official security advisories.

Q9What if no patch? (Workaround)

🚧 **Workaround**: Disable uC-HTTP if not needed. 🚫 **Network**: Block external access to HTTP ports. 🛡️ **WAF**: Filter malformed HTTP headers. 📉 **Limit**: Reduce attack surface.

Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: CRITICAL. 🚨 **Priority**: Patch IMMEDIATELY. ⏱️ **Time**: CVSS 9.8 + No Auth = High Risk. 📢 **Action**: Prioritize for embedded IoT/Industrial devices.

Continue exploring

Vulnerability detail Full AI analysis (login) Silicon Labs CWE-122