Low [CVE-2025-62840] generation of error message containing sensitive information vulnerability has been reported to affect HBS 3 Hybrid Backup Sync
This low-severity QNAP advisory covers CVE-2025-62840 affecting HBS 3 Hybrid Backup Sync 26.1.x and earlier.
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Summary
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 product named by the advisory: HBS 3 Hybrid Backup Sync 26.1.x and earlier.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 14 days ago·verify at source
- HBS 3 Hybrid Backup Sync 26.2.0.938 and later
Official advisory · high-confidence parse· fetched 14 days ago·verify at source
Mitigation checklist
- Update the affected QNAP app / operating system to a fixed release: HBS 3 Hybrid Backup Sync 26.2.0.938 and later.
Official advisory · high-confidence parse· fetched 14 days ago·verify at source
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