Vulnerability Details CVE-2025-53593
A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to modify memory or crash processes.
We have already fixed the vulnerability in the following versions:
QTS 5.2.7.3256 build 20250913 and later
QuTS hero h5.2.7.3256 build 20250913 and later
QuTS hero h5.3.1.3250 build 20250912 and later
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 25.7%
CVSS Severity
CVSS v3 Score 6.5
Products affected by CVE-2025-53593
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cpe:2.3:o:qnap:qts:5.2.0.2737
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cpe:2.3:o:qnap:qts:5.2.0.2744
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cpe:2.3:o:qnap:qts:5.2.0.2782
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cpe:2.3:o:qnap:qts:5.2.0.2802
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cpe:2.3:o:qnap:qts:5.2.0.2823
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cpe:2.3:o:qnap:qts:5.2.0.2851
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cpe:2.3:o:qnap:qts:5.2.0.2860
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cpe:2.3:o:qnap:qts:5.2.1.2930
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cpe:2.3:o:qnap:qts:5.2.2.2950
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cpe:2.3:o:qnap:qts:5.2.3.3006
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cpe:2.3:o:qnap:qts:5.2.4.3070
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cpe:2.3:o:qnap:qts:5.2.4.3079
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cpe:2.3:o:qnap:qts:5.2.4.3092
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cpe:2.3:o:qnap:qts:5.2.5.3145
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cpe:2.3:o:qnap:qts:5.2.6.3195
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cpe:2.3:o:qnap:qts:5.2.6.3229
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cpe:2.3:o:qnap:quts_hero:h5.2.0.2737
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cpe:2.3:o:qnap:quts_hero:h5.2.0.2782
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cpe:2.3:o:qnap:quts_hero:h5.2.0.2789
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cpe:2.3:o:qnap:quts_hero:h5.2.0.2802
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cpe:2.3:o:qnap:quts_hero:h5.2.0.2823
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cpe:2.3:o:qnap:quts_hero:h5.2.0.2851
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cpe:2.3:o:qnap:quts_hero:h5.2.0.2860
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cpe:2.3:o:qnap:quts_hero:h5.2.1.2929
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cpe:2.3:o:qnap:quts_hero:h5.2.1.2940
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cpe:2.3:o:qnap:quts_hero:h5.2.2.2952
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cpe:2.3:o:qnap:quts_hero:h5.2.3.3006
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cpe:2.3:o:qnap:quts_hero:h5.2.4.3070
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cpe:2.3:o:qnap:quts_hero:h5.2.4.3079
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cpe:2.3:o:qnap:quts_hero:h5.2.5.3138
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cpe:2.3:o:qnap:quts_hero:h5.2.6.3195
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cpe:2.3:o:qnap:quts_hero:h5.3.0.3115
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cpe:2.3:o:qnap:quts_hero:h5.3.0.3145
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cpe:2.3:o:qnap:quts_hero:h5.3.0.3192