CVE-2025-53596

Name of the Vulnerable Software and Affected Versions QNAP versions prior to 5.2.7.3256 build 20250913 QuTS hero versions prior to 5.2.7.3256 build 20250913 QuTS hero versions prior to 5.3.1.3250 build 20250912

Description A NULL pointer dereference issue exists in QNAP operating systems. Successful exploitation by a remote attacker with administrator privileges could lead to a denial-of-service (DoS) attack. A NULL pointer dereference occurs when a program attempts to access a memory location that has not been assigned a valid value, potentially causing the program to crash or behave unpredictably.

Recommendations Update QTS to version 5.2.7.3256 build 20250913 or later. Update QuTS hero to version 5.2.7.3256 build 20250913 or later. Update QuTS hero to version 5.3.1.3250 build 20250912 or later.