CVE-2025-62840 - CVE House
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Status published High CVE-2025-62840

HBS 3 Hybrid Backup Sync

Vulnerability Description

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

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

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

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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.

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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)