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OpenAdvisories
High · 8.7 CVE-2025-62839 EUVD-2025-211208GHSA-7m89-78rx-fg5j

Hard-coded Cryptographic Key #1

Published Oct 29, 2026 · Updated Oct 29, 2026 · Assigned by qnap

Description

An use of hard-coded cryptographic key vulnerability has been reported to affect HBS 3 Hybrid Backup Sync and Hybrid Backup Sync. If exploited, the vulnerability could allow remote attackers to compromise the security of the system.

We have already fixed the vulnerability in the following version:
HBS 3 Hybrid Backup Sync 26.4.0.521 and later
Hybrid Backup Sync 26.4.0.521 and later
Hybrid Backup Sync 26.4.1.563 and later

Affected products

VendorProductAffectedFixed
QNAP Systems HBS 3 Hybrid Backup Sync 26.4.x – < 26.4.0.521 26.4.0.521
QNAP Systems Hybrid Backup Sync 26.4.x – < 26.4.0.521, 26.4.x – < 26.4.1.563 26.4.0.521

References