CVE-2024-53695

6.3 mediumEPSS 0.5%

Medium (6.3) in qnap hybrid backup sync. EPSS 0.5% chance of exploitation in the next 30 days.

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

Severity

CVSS 4.0

6.3 medium

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

9.1 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 44% of CVEs (scores of 2026-10-31)
CWEs: CWE-120, CWE-121
Published: 2025-03-07
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

qnap:hybrid_backup_sync

References

https://www.qnap.com/en/security-advisory/qsa-25-06

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