---
id: CVE-2025-62840
title: >-
  A generation of error message containing sensitive information vulnerability
  has been reported to affect HBS 3 Hybrid Backup Sync
summary: >-
  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 dat…
severity: low
cvss: 3.3
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-209
vendor: qnap
product: hybrid_backup_sync
affected:
  - hybrid_backup_sync < 26.2.0.938
patched:
  - hybrid_backup_sync 26.2.0.938
published: '2026-01-02'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T19:10:00.297'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-62840'
references:
  - url: 'https://www.qnap.com/en/security-advisory/qsa-25-46'
    label: security@qnapsecurity.com.tw
tags:
  - nvd
epss: 0.00241
epssPercentile: 0.1418
ingestedAt: '2026-10-14T19:49:57.547Z'
---

## Overview

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

- `hybrid_backup_sync < 26.2.0.938`

## Remediation

Upgrade past the affected range:

- `hybrid_backup_sync 26.2.0.938`