Qnap Hybrid Backup Sync vulnerabilities

CVE-2025-62840 [HIGH] CWE-209 CVE-2025-62840: A generation of error message containing sensitive information vulnerability has been reported to af A generation of error message containing sensitive information vulnerability has been reported to affect HBS 3 Hybrid Backup Sync. If an attacker gains local network access, they can then exploit the vulnerability to read application data. We have already fixed the vulnerability in the following version: HBS 3 Hybrid Backup Sync 26.2.0.938 and later

CVE-2025-62842 [HIGH] CWE-73 CVE-2025-62842: An external control of file name or path vulnerability has been reported to affect HBS 3 Hybrid Back An external control of file name or path vulnerability has been reported to affect HBS 3 Hybrid Backup Sync. If an attacker gains local network access, they can then exploit the vulnerability to read or modify files or directories. We have already fixed the vulnerability in the following version: HBS 3 Hybrid Backup Sync 26.2.0.938 and later

CVE-2024-53695 [MEDIUM] CWE-120 CVE-2024-53695: A buffer overflow vulnerability has been reported to affect HBS 3 Hybrid Backup Sync. If exploited, A buffer overflow vulnerability has been reported to affect HBS 3 Hybrid Backup Sync. If exploited, the vulnerability could allow remote attackers to modify memory or crash processes. We have already fixed the vulnerability in the following version: HBS 3 Hybrid Backup Sync 25.1.4.952 and later

CVE-2024-50388 [CRITICAL] CWE-77 CVE-2024-50388: An OS command injection vulnerability has been reported to affect HBS 3 Hybrid Backup Sync. If explo An OS command injection vulnerability has been reported to affect HBS 3 Hybrid Backup Sync. If exploited, the vulnerability could allow remote attackers to execute commands. We have already fixed the vulnerability in the following version: HBS 3 Hybrid Backup Sync 25.1.1.673 and later

CVE-2021-28809 [CRITICAL] CWE-284 CVE-2021-28809: An improper access control vulnerability has been reported to affect certain legacy versions of HBS An improper access control vulnerability has been reported to affect certain legacy versions of HBS 3. If exploited, this vulnerability allows attackers to compromise the security of the operating system.QNAP have already fixed this vulnerability in the following versions of HBS 3: QTS 4.3.6: HBS 3 v3.0.210507 and later QTS 4.3.4: HBS 3 v3.0.210506

CVE-2021-28799 [CRITICAL] CWE-285 CVE-2021-28799: An improper authorization vulnerability has been reported to affect QNAP NAS running HBS 3 (Hybrid B An improper authorization vulnerability has been reported to affect QNAP NAS running HBS 3 (Hybrid Backup Sync. ) If exploited, the vulnerability allows remote attackers to log in to a device. This issue affects: QNAP Systems Inc. HBS 3 versions prior to v16.0.0415 on QTS 4.5.2; versions prior to v3.0.210412 on QTS 4.3.6; versions prior to v3.0.21