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CVE-2024-56805

QTS, QuTS hero

MEDIUM
5.4
CVSS Score
Published: June 6, 2025 at 03:53 PM UTC
Updated: June 17, 2026 at 08:13 AM UTC
2 products affected across 1 vendorQTSQuTS hero

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers who have gained user access to modify memory or crash processes. We have already fixed the vulnerability in the following versions: QTS 5.2.4.3079 build 20250321 and later QuTS hero h5.2.4.3079 build 20250321 and later

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

QTS· Qnap
95%
5.2.x ≤ v < 5.2.4.3079 build 202503215.2.0.2737 build_202404175.2.0.2744 build_202404245.2.0.2782 build_202406015.2.0.2802 build_202406205.2.0.2823 build_202407115.2.0.2851 build_202408085.2.0.2860 build_202408175.2.1.2930 build_202410255.2.2.2950 build_202411145.2.3.3006 build_202501085.2.4.3070 build_202503125.2.x
Affected range stops below 5.2.4.3079 build 20250321, so it looks safe — our inference, not a vendor statement
QuTS hero· Qnap
95%
h5.2.x ≤ v < h5.2.4.3079 build 20250321h5.2.0.2737 build_20240417h5.2.0.2782 build_20240601h5.2.0.2789 build_20240607h5.2.0.2802 build_20240620h5.2.0.2823 build_20240711h5.2.0.2851 build_20240808h5.2.0.2860 build_20240817h5.2.1.2929 build_20241025h5.2.1.2940 build_20241105h5.2.2.2952 build_20241116h5.2.3.3006 build_20250108h5.2.4.3070 build_20250312h5.2.x
Affected range stops below h5.2.4.3079 build 20250321, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://www.qnap.com/en/security-advisory/qsa-25-12

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
LOW
Vector?

Quick Info

StatusANALYZED
CWE
CWE-120CWE-122

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