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CVE-2025-11837: QNAP Malware Remover Code Injection Vulnerability Exploited by AryStinger

June 25, 2026

CVE-2025-11837 is a code injection vulnerability in QNAP's Malware Remover application, demonstrated at Pwn2Own Ireland 2025. Patched in November 2025, it is exploited by a second strain of AryStinger malware targeting QNAP NAS devices.