CVE-2025-62842 - CVE House
Back to Database
Status published High CVE-2025-62842

HBS 3 Hybrid Backup Sync

Vulnerability Description

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

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-62842

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Pwn2Own 2025 - Team DDOS

Affected Vendor

QNAP Systems Inc.

View all reports →

Affected Software

HBS 3 Hybrid Backup Sync
Vulnerable Versions:
26.1.x

Timeline

Official Publish: January 2nd, 2026
Last Modified: January 5th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)