CVE-2025-62842

HBS 3 Hybrid Backup Sync

State: Published
Severity: 7.0 High
Published: Jan 2, 2026
Updated: Jan 5, 2026
Reserved: Oct 24, 2025

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

Scores

CVSS	Score	Vector	Source
4.0	7.0 High	CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	qnap

Weaknesses

CWE-73

Affected Products

Product	Versions
HBS 3 Hybrid Backup SyncQNAP Systems Inc.	26.1.x to before 26.2.0.938Affected

References

https://www.qnap.com/en/security-advisory/qsa-25-46

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