Heap Buffer Overflow Vulnerability in CryptoLib for Space Communications

CVE-2025-29909

What is CVE-2025-29909?

CryptoLib, utilized for securing communications in space applications, has a vulnerability that allows attackers to exploit a heap buffer overflow through the Crypto_TC_ApplySecurity() function. This exploitation occurs when an attacker crafts a malicious telecommand frame leading to potential out-of-bounds memory writes. Systems using CryptoLib for telecommand processing that do not implement strict validation on incoming frames are particularly at risk. Such vulnerabilities can cause service interruptions or even unauthorized remote code execution, particularly affecting satellite ground stations and mission control software. A remediation patch is available to address this issue.

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