SecuriTricks - CVE-2025-62842

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

Product(s) Impacted

Vendor	Product	Versions
Qnap	Hbs 3 Hybrid Backup Sync	26.2.0.938

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-73

External Control of File Name or Path

The product allows user input to control or influence paths or file names that are used in filesystem operations.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	qnap	hbs_3_hybrid_backup_sync	26.2.0.938	/	/	/	/	/	/	/

References

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

CVSS Score

7.0 / 10

CVSS Data - 4.0

Attack Vector: PHYSICAL
Attack Complexity: LOW
Attack Requirements: NONE
Privileges Required: NONE
User Interaction: NONE
Scope:
Confidentiality Impact: HIGH
Integrity Impact: HIGH
Availability Impact: HIGH
Exploit Maturity: NOT_DEFINED

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

View Vector String

Timeline

Published: Jan. 2, 2026, 4:17 p.m.
Last Modified: Jan. 2, 2026, 4:45 p.m.

Status : Awaiting Analysis

CVE has been marked for Analysis. Normally once in this state the CVE will be analyzed by NVD staff within 24 hours.

More info

Source

security@qnapsecurity.com.tw

CVE-2025-62842