SB2025100642 - Multiple vulnerabilities in QNAP Qsync Central
Published: October 6, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 10 secuirty vulnerabilities.
1) Path traversal (CVE-ID: CVE-2025-33034)
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences. A remote user can send a specially crafted HTTP request and read arbitrary files on the system.
2) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2025-33039)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to allocation of resources without limits or throttling. A remote user can cause a denial of service condition on the target system.
3) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2025-33040)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to allocation of resources without limits or throttling. A remote user can cause a denial of service condition on the target system.
4) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2025-44006)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to allocation of resources without limits or throttling. A remote user can cause a denial of service condition on the target system.
5) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2025-44007)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to allocation of resources without limits or throttling. A remote user can cause a denial of service condition on the target system.
6) NULL pointer dereference (CVE-ID: CVE-2025-44008)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A remote user can pass specially crafted data to the application and perform a denial of service (DoS) attack.
7) NULL pointer dereference (CVE-ID: CVE-2025-44009)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A remote user can pass specially crafted data to the application and perform a denial of service (DoS) attack.
8) NULL pointer dereference (CVE-ID: CVE-2025-44010)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A remote user can pass specially crafted data to the application and perform a denial of service (DoS) attack.
9) NULL pointer dereference (CVE-ID: CVE-2025-44011)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A remote user can pass specially crafted data to the application and perform a denial of service (DoS) attack.
10) Out-of-bounds write (CVE-ID: CVE-2025-44014)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input. A remote user can trigger an out-of-bounds write and perform a denial of service (DoS) attack on the target system.
Remediation
Install update from vendor's website.