CVE-2024-53695
Severity CVSS v4.0:
MEDIUM
Type:
CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Publication date:
07/03/2025
Last modified:
16/01/2026
Description
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.<br />
<br />
We have already fixed the vulnerability in the following version:<br />
HBS 3 Hybrid Backup Sync 25.1.4.952 and later
Impact
Base Score 4.0
6.30
Severity 4.0
MEDIUM
Base Score 3.x
9.10
Severity 3.x
CRITICAL
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:a:qnap:hybrid_backup_sync:*:*:*:*:*:*:*:* | 25.1.0.627 (including) | 25.1.4.952 (excluding) |
To consult the complete list of CPE names with products and versions, see this page



