CVE-2025-62842

HIGH

HBS 3 Hybrid Backup Sync <26.2.0.938 - Path Traversal

Title source: llm

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

References (1)

[Vendor Advisory] https://www.qnap.com/en/security-advisory/qsa-25-46

Scores

CVSS v3 7.8

EPSS 0.0001

EPSS Percentile 2.8%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-73

Status published

Products (1)

qnap/hybrid_backup_sync < 26.2.0.938

Published Jan 02, 2026

Tracked Since Feb 18, 2026