High [CVE-2025-62842] HBS: external control of file name or path vulnerability has been reported to affect HBS 3 Hybrid Backup Sync.
This high-severity QNAP advisory covers CVE-2025-62842 affecting HBS 3 Hybrid Backup Sync 26.1.x and earlier.
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Summary
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 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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