CVE-2024-36248 — AI Deep Analysis Summary

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

🚨 **Essence**: Hardcoded credentials in Sharp MFPs allow unauthorized access. 💥 **Consequences**: Attackers can steal sensitive data and modify settings without permission.

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-798** (Use of Hard-coded Credentials). 🔍 **Flaw**: Credentials for accessing external sites are baked into the firmware, not generated dynamically.

Q: Who is affected? (Versions/Components)

🏢 **Affected**: **Sharp Corporation** Multifunction Printers (MFPs). 📦 **Scope**: Multiple MFP models (specific versions not listed in data, but broadly applicable to the product line).

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

⚡ **Exploitation**: **Low Threshold**. 🔓 **Auth**: None required (PR:N). 🌐 **Network**: Remote (AV:N). 👤 **User**: No interaction needed (UI:N).

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

📢 **Public Exp?**: **Yes**. 🔗 **Evidence**: Detailed analysis published by Pierrekim (June 2024) and JVN advisories. ⚠️ **Status**: Known vulnerabilities are documented and accessible to researchers.

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

🔍 **Self-Check**: 1. Scan for Sharp MFPs on your network. 2. Verify firmware versions against Sharp's security bulletins. 3. Check for default/hardcoded credential usage in external service configurations.

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

🩹 **Fix Status**: **Yes**. 📅 **Timeline**: Advisories released in May 2024 (Sharp & Toshiba Tec). ✅ **Action**: Update firmware to the patched version provided by Sharp.

Q: What if no patch? (Workaround)

🚧 **No Patch?**: 1. **Isolate**: Disconnect MFPs from external networks. 2. **Monitor**: Watch for unauthorized access logs. 3. **Restrict**: Limit network access to trusted IPs only.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **HIGH**. 📉 **Risk**: CVSS 9.1 (Critical). 🚀 **Priority**: Patch immediately. Remote, unauthenticated access makes this a critical threat to office security.

Updated May 08, 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**: Hardcoded credentials in Sharp MFPs allow unauthorized access. <br>💥 **Consequences**: Attackers can steal sensitive data and modify settings without permission.

Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-798** (Use of Hard-coded Credentials). <br>🔍 **Flaw**: Credentials for accessing external sites are baked into the firmware, not generated dynamically.

Q3Who is affected? (Versions/Components)

🏢 **Affected**: **Sharp Corporation** Multifunction Printers (MFPs). <br>📦 **Scope**: Multiple MFP models (specific versions not listed in data, but broadly applicable to the product line).

Q4What can hackers do? (Privileges/Data)

🕵️ **Attacker Actions**: <br>1. **Access**: Gain unauthorized entry using hardcoded keys. <br>2. **Impact**: Full confidentiality & integrity loss (CVSS C:H, I:H). <br>3.…

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Q5Is exploitation threshold high? (Auth/Config)

⚡ **Exploitation**: **Low Threshold**. <br>🔓 **Auth**: None required (PR:N). <br>🌐 **Network**: Remote (AV:N). <br>👤 **User**: No interaction needed (UI:N).

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

📢 **Public Exp?**: **Yes**. <br>🔗 **Evidence**: Detailed analysis published by Pierrekim (June 2024) and JVN advisories. <br>⚠️ **Status**: Known vulnerabilities are documented and accessible to researchers.

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: <br>1. Scan for Sharp MFPs on your network. <br>2. Verify firmware versions against Sharp's security bulletins. <br>3. Check for default/hardcoded credential usage in external service configurations.

Q8Is it fixed officially? (Patch/Mitigation)

🩹 **Fix Status**: **Yes**. <br>📅 **Timeline**: Advisories released in May 2024 (Sharp & Toshiba Tec). <br>✅ **Action**: Update firmware to the patched version provided by Sharp.

Q9What if no patch? (Workaround)

🚧 **No Patch?**: <br>1. **Isolate**: Disconnect MFPs from external networks. <br>2. **Monitor**: Watch for unauthorized access logs. <br>3. **Restrict**: Limit network access to trusted IPs only.

Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **HIGH**. <br>📉 **Risk**: CVSS 9.1 (Critical). <br>🚀 **Priority**: Patch immediately. Remote, unauthenticated access makes this a critical threat to office security.

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Vulnerability detail Full AI analysis (login) Sharp Corporation CWE-798