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Critical9.1QNAP

Critical [CVE-2024-53695] HBS: buffer overflow vulnerability has been reported to affect HBS 3 Hybrid Backup Sync.

This critical-severity QNAP advisory covers CVE-2024-53695 affecting HBS, Hybrid Backup Sync.

CVE-2024-53695 Published Mar 7, 2025Updated by vendor Jun 17, 2026
Affected products & platforms
QNAPBackup (HBS)
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Summary

A buffer overflow vulnerability has been reported to affect HBS 3 Hybrid Backup Sync. If exploited, the vulnerability could allow remote attackers to modify memory or crash processes.

We have already fixed the vulnerability in the following version: HBS 3 Hybrid Backup Sync 25.1.4.952 and later

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

Official advisory · medium-confidence parse· fetched 2 months ago·verify at source

Fixed versions

No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.

Official advisory · medium-confidence parse· fetched 2 months ago·verify at source

Mitigation

The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.

Official advisory · medium-confidence parse· fetched 2 months ago·verify at source

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