CVE-2025-62840

HBS 3 Hybrid Backup Sync

LOW
3.3
CVSS Score
Published: January 2, 2026 at 03:51 PM UTC
Updated: October 14, 2026 at 07:10 PM UTC
1 product affected across 1 vendorHybrid Backup Sync

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

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Severity
LOW3.3
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

A generation of error message containing sensitive information 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 application data. 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.

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:

References (1)

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

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

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-209

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