SB2025090221 - Multiple vulnerabilities in QNAP Qsync Central

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2025-30261)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to allocation of resources without limits. A remote user can cause a denial of service condition on the target system.

2) NULL pointer dereference (CVE-ID: CVE-2025-30262)

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.

3) NULL pointer dereference (CVE-ID: CVE-2025-30263)

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.

Remediation

Install update from vendor's website.

References

• https://www.qnap.com/en/security-advisory/qsa-25-28