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CVE-2025-54163 is a NULL pointer dereference vulnerability in QNAP Systems Inc. 's File Station 5 version 5.5.x. Exploitation requires an attacker to have an administrator account, after which they can cause a denial-of-service (DoS) condition by triggering the vulnerability. The issue has been addressed in File Station 5 version 5.5.6.5166 and later. The CVSS 4.

CVE-2025-54163 is a vulnerability classified under CWE-476 (NULL Pointer Dereference) affecting QNAP Systems Inc.'s File Station 5 software, specifically versions 5.5.x. The flaw arises when the software dereferences a NULL pointer, leading to a denial-of-service (DoS) condition that causes the application or system to crash or become unresponsive. Exploitation requires the attacker to have an administrator-level account on the affected system, which means the attacker must already have significant privileges. Once authenticated as an administrator, the attacker can trigger the NULL pointer dereference to disrupt service availability, potentially impacting business operations relying on File Station 5 for file management. The vulnerability does not require user interaction beyond administrative login, nor does it impact confidentiality or integrity of data directly. The vendor has released a fix in version 5.5.6.5166 and later, addressing the issue by correcting the pointer handling logic. The CVSS 4.0 vector indicates network attack vector (AV:N), low attack complexity (AC:L), no privileges required for attack (PR:H) but high privileges are needed, no user interaction (UI:N), and low impact on availability (VA:L) with no impact on confidentiality or integrity. No public exploits have been reported, suggesting limited exploitation currently. The vulnerability is primarily a stability and availability concern for systems running vulnerable versions of File Station 5.

Detailed information about CVE-2025-54163: CWE-476 in QNAP Systems Inc. File Station 5 affecting QNAP Systems Inc. File Station 5. Get real-time updates, techni

CVE-2025-54163: CWE-476 in QNAP Systems Inc. File Station 5 - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2025-54163: CWE-476 in QNAP Systems Inc. File Station 5

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