CVE-2025-31715 — AI Deep Analysis Summary

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

🚨 **Essence**: UNISOC Chipsets suffer from **Improper Input Validation**. 💥 **Consequences**: This flaw allows for **Remote Privilege Escalation**. Attackers can gain unauthorized control over the device remotely.

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: The core issue is **Improper Input Validation**. 🔍 **Flaw**: The system fails to properly sanitize or verify inputs, leading to a breakdown in security boundaries.

Q: Who is affected? (Versions/Components)

📱 **Affected Products**: UNISOC Chipsets including: • SL8521E/SL8521ET • SL8541E • UIS8141E • UWS6137/UWS6137E • UWS6151(E)/UWS6152 🏢 **Vendor**: Unisoc (Shanghai) Technologies Co., Ltd.

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

🔓 **Privileges**: Attackers can achieve **High Impact** on Confidentiality, Integrity, and Availability. 👑 **Action**: They can escalate privileges to gain full control, effectively taking over the device.

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

🌐 **Threshold**: **LOW**. • **Attack Vector**: Network (Remote). • **Complexity**: Low. • **Privileges Required**: None. • **User Interaction**: None. ⚡ Easy to exploit without user help.

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

🚫 **Public Exploit**: **No**. 📝 **PoCs**: None listed in the current data. ⚠️ **Status**: While no public PoC exists, the low complexity suggests potential for future wild exploitation.

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

🔍 **Self-Check**: Scan for devices using the specific UNISOC chipsets listed above. 📡 **Features**: Look for network-facing services on these chipsets that handle unvalidated inputs.

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

🛠️ **Official Fix**: **Yes**. 📅 **Published**: 2025-08-18. 🔗 **Source**: Unisoc Security Announcement (Link provided in references). Users should check for firmware updates.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **HIGH**. 📊 **CVSS**: 9.8 (Critical). ⚡ **Reason**: Remote, no auth, low complexity, and high impact. Immediate attention and patching are required.

Updated May 06, 2026 CVSS 9.8 · 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**: UNISOC Chipsets suffer from **Improper Input Validation**. <br>💥 **Consequences**: This flaw allows for **Remote Privilege Escalation**. Attackers can gain unauthorized control over the device remotely.

Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: The core issue is **Improper Input Validation**. <br>🔍 **Flaw**: The system fails to properly sanitize or verify inputs, leading to a breakdown in security boundaries.

Q3Who is affected? (Versions/Components)

📱 **Affected Products**: UNISOC Chipsets including: <br>• SL8521E/SL8521ET <br>• SL8541E <br>• UIS8141E <br>• UWS6137/UWS6137E <br>• UWS6151(E)/UWS6152 <br>🏢 **Vendor**: Unisoc (Shanghai) Technologies Co., Ltd.

Q4What can hackers do? (Privileges/Data)

🔓 **Privileges**: Attackers can achieve **High Impact** on Confidentiality, Integrity, and Availability. <br>👑 **Action**: They can escalate privileges to gain full control, effectively taking over the device.

Q5Is exploitation threshold high? (Auth/Config)

🌐 **Threshold**: **LOW**. <br>• **Attack Vector**: Network (Remote). <br>• **Complexity**: Low. <br>• **Privileges Required**: None. <br>• **User Interaction**: None. <br>⚡ Easy to exploit without user help.

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

🚫 **Public Exploit**: **No**. <br>📝 **PoCs**: None listed in the current data. <br>⚠️ **Status**: While no public PoC exists, the low complexity suggests potential for future wild exploitation.

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: Scan for devices using the specific UNISOC chipsets listed above. <br>📡 **Features**: Look for network-facing services on these chipsets that handle unvalidated inputs.

Q8Is it fixed officially? (Patch/Mitigation)

🛠️ **Official Fix**: **Yes**. <br>📅 **Published**: 2025-08-18. <br>🔗 **Source**: Unisoc Security Announcement (Link provided in references). Users should check for firmware updates.

Q9What if no patch? (Workaround)

🚧 **Workaround**: If no patch is available: <br>1. **Isolate**: Restrict network access to affected devices. <br>2. **Monitor**: Watch for anomalous privilege changes. <br>3.…

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Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **HIGH**. <br>📊 **CVSS**: 9.8 (Critical). <br>⚡ **Reason**: Remote, no auth, low complexity, and high impact. Immediate attention and patching are required.

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Vulnerability detail Full AI analysis (login) Unisoc (Shanghai) Technologies Co., Ltd.