vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2025-62842

HBS 3 Hybrid Backup Sync

HIGH
7.8
CVSS Score
Published: January 2, 2026 at 03:51 PM UTC
Updated: July 25, 2026 at 11:21 AM UTC
1 product affected across 1 vendorHybrid Backup Sync

Using HBS 3 Hybrid Backup Sync by QNAP Systems Inc.?

Get instant alerts when new vulnerabilities affect HBS 3 Hybrid Backup Sync - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
HIGH7.8
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Hybrid Backup Sync· Qnap
95%
v < 26.2.0.93826.1.x ≤ v < 26.2.0.93826.1.x
Affected range stops below 26.2.0.938, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-73

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card