CVE-2025-62842
Unknown Unknown - Not Provided
Path Traversal Vulnerability in HBS 3 Hybrid Backup Sync Allows File Access

Publication date: 2026-01-02

Last updated on: 2026-02-05

Assigner: QNAP Systems, Inc.

Description
An external control of file name or path 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 or modify files or directories. We have already fixed the vulnerability in the following version: HBS 3 Hybrid Backup Sync 26.2.0.938 and later
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-01-02
Last Modified
2026-02-05
Generated
2026-06-16
AI Q&A
2026-01-02
EPSS Evaluated
2026-06-15
NVD
CVE-2025-62842
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
qnap hbs_3_hybrid_backup_sync From 26.2.0.938 (inc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-73 The product allows user input to control or influence paths or file names that are used in filesystem operations.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability is an external control of file name or path issue in HBS 3 Hybrid Backup Sync. If an attacker gains access to the local network, they can exploit this vulnerability to read or modify files or directories on the affected system.

Impact Analysis

The vulnerability can allow an attacker with local network access to read or modify files or directories, potentially leading to unauthorized data access, data tampering, or disruption of backup operations.

Mitigation Strategies

To mitigate this vulnerability, immediately update HBS 3 Hybrid Backup Sync to version 26.2.0.938 or later, where the vulnerability has been fixed. Additionally, restrict local network access to trusted users only to reduce the risk of exploitation.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2025-62842. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart