Vulnerability details
CVE-2025-62840
QNAP Systems HBS 3 Hybrid Backup Sync
HBS 3 Hybrid Backup Sync
CVSS 4.0
7.0High
Official 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
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.0High | 4.0 | CVEProject cvelistV5 (CNA) (qnap) | 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 |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| QNAP Systems Inc. | HBS 3 Hybrid Backup Sync | 26.1.x ≤ v < 26.2.0.938 | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2026-01-02
- Last updated
- 2026-01-06
- State
- Published
- Assigner (CNA)
- qnap
Exploit prediction (EPSS)
0.24%
Probability of exploitation in 30 days
15.3%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-209