CVE-2025-62841: QNAP HBS 3 Hybrid Backup Sync and Hybrid Backup Sync: Hybrid Backup Sync: use of hard-coded cryptographic key vulnerability
This QNAP advisory covers CVE-2025-62841 in HBS 3 Hybrid Backup Sync.
- CVE-2025-62841
Key facts
- Vendor rating
- High, CVSS 8.7
- CISA KEV
- Not listed (catalogue checked )
- Affected
- HBS 3 Hybrid Backup Sync 26.4.x before 26.4.0.521; Hybrid Backup Sync 26.4.x before 26.4.0.521; Hybrid Backup Sync 26.4.x before 26.4.1.563
- Fixed in
- Hybrid Backup Sync 26.4.0.521
- Source published
- Source revised
- Listed by VulniPulse
- Record changed
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Affected products & platforms
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
Text from the source record.
- HBS 3 Hybrid Backup Sync 26.4.x before 26.4.0.521
- Hybrid Backup Sync 26.4.x before 26.4.0.521
- Hybrid Backup Sync 26.4.x before 26.4.1.563
NVD record · high-confidence parse· fetched ·verify at source
How to fix CVE-2025-62841
Upgrade to a fixed release named by QNAP:
- Hybrid Backup Sync 26.4.0.521
More QNAP advisories
CVE-2025-62839Oct 29, 2026HBS 3 Hybrid Backup Sync and Hybrid Backup Sync: Hybrid Backup Sync: use of hard-codedCVE-2026-50619Oct 15, 2026Qsirch: path traversal vulnerabilityCVE-2026-47790Oct 15, 2026QuFTP Service: cross-site scripting (XSS) vulnerabilityCVE-2026-47786Oct 15, 2026HybridDesk Station: OS command injection vulnerabilityCVE-2026-39997Oct 15, 2026HybridDesk Station authentication bypassCVE-2026-39991Oct 15, 2026Notes Station 3: cross-site scripting (XSS) vulnerability
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