CVE-2025-62840: HBS 3 Hybrid Backup Sync

Published Jan 2, 2026
·
Updated

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

Affected Software

2 affected components
HBS HBS 3 Hybrid Backup Sync<26.2.0.938
QNAP Hybrid Backup Sync<26.2.0.938

Remediation

Information

We have already fixed the vulnerability in the following version: HBS 3 Hybrid Backup Sync 26.2.0.938 and later

Event History

Nov 7, 2025
News Published
via BleepingComputer·06:24 PM
News Published
via BleepingComputer·06:25 PM
Jan 2, 2026
CVE Published
via MITRE·03:51 PM
Data Sourced
via MITRE·03:51 PM
RemedyDescriptionWeakness
Data Sourced
via NVD·04:17 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-62840?

CVE-2025-62840 is considered a high severity vulnerability due to the potential for sensitive information disclosure by an attacker with local network access.

2

How can I fix CVE-2025-62840?

To fix CVE-2025-62840, update your HBS 3 Hybrid Backup Sync to version 26.2.0.938 or later.

3

Who is affected by CVE-2025-62840?

CVE-2025-62840 affects users of HBS 3 Hybrid Backup Sync versions prior to 26.2.0.938.

4

What type of vulnerability is CVE-2025-62840?

CVE-2025-62840 is categorized as an information disclosure vulnerability due to error messages leaking sensitive data.

5

Can CVE-2025-62840 be exploited remotely?

No, CVE-2025-62840 requires local network access to be exploited.

Contact

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