CVE-2025-54485 — AI Deep Analysis Summary

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

🚨 **Essence**: A critical stack buffer overflow in **libbiosig** (BioSig Project). 💥 **Consequences**: Attackers can execute **arbitrary code** on the target system. This is a severe integrity and availability risk.

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-121** (Stack-based Buffer Overflow). 🔍 **Flaw**: The **MFER parsing function** fails to properly validate input lengths, allowing data to overflow the stack buffer.

Q: Who is affected? (Versions/Components)

🏢 **Affected**: **The Biosig Project** / **libbiosig**. 📦 **Version**: Specifically **v3.9.0**. ⚠️ **Scope**: Any system using this specific version for biomedical signal processing.

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

📉 **Threshold**: **LOW**. 🔑 **Auth**: No authentication required (**PR:N**). 🖱️ **UI**: No user interaction needed (**UI:N**). 🌐 **Network**: Network exploitable (**AV:N**).

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

📜 **Public Exp?**: **No PoC provided** in the data. 🔎 **Status**: Reference to **Talos Intelligence** report exists, but no public exploit code is listed in the vulnerability data.

Q: What if no patch? (Workaround)

🚧 **Workaround**: **Disable MFER parsing** if possible. 🚫 **Mitigation**: Isolate systems processing biomedical signals. 🛑 **Block**: Restrict network access to the service if it processes untrusted MFER files.

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**: A critical stack buffer overflow in **libbiosig** (BioSig Project). <br>💥 **Consequences**: Attackers can execute **arbitrary code** on the target system. This is a severe integrity and availability risk.

Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-121** (Stack-based Buffer Overflow). <br>🔍 **Flaw**: The **MFER parsing function** fails to properly validate input lengths, allowing data to overflow the stack buffer.

Q3Who is affected? (Versions/Components)

🏢 **Affected**: **The Biosig Project** / **libbiosig**. <br>📦 **Version**: Specifically **v3.9.0**. <br>⚠️ **Scope**: Any system using this specific version for biomedical signal processing.

Q4What can hackers do? (Privileges/Data)

🕵️ **Hacker Power**: Full **Remote Code Execution (RCE)**. <br>🔓 **Privileges**: Gains the same privileges as the application user.…

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Q5Is exploitation threshold high? (Auth/Config)

📉 **Threshold**: **LOW**. <br>🔑 **Auth**: No authentication required (**PR:N**). <br>🖱️ **UI**: No user interaction needed (**UI:N**). <br>🌐 **Network**: Network exploitable (**AV:N**).

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

📜 **Public Exp?**: **No PoC provided** in the data. <br>🔎 **Status**: Reference to **Talos Intelligence** report exists, but no public exploit code is listed in the vulnerability data.

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: Scan for **libbiosig v3.9.0**. <br>📂 **Feature**: Look for applications using the **MFER parsing** feature.…

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Q8Is it fixed officially? (Patch/Mitigation)

🩹 **Official Fix**: **Not explicitly stated** in the provided data. <br>⏳ **Action**: Check the vendor's official repository or the Talos Intelligence report for patch availability.…

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Q9What if no patch? (Workaround)

🚧 **Workaround**: **Disable MFER parsing** if possible. <br>🚫 **Mitigation**: Isolate systems processing biomedical signals. <br>🛑 **Block**: Restrict network access to the service if it processes untrusted MFER files.

Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. <br>⚡ **Priority**: **Immediate Action Required**.…

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Vulnerability detail Full AI analysis (login) The Biosig Project CWE-121