CVE-2025-57705
moderate-risk
Published 2026-01-02
An allocation of resources without limits or throttling 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 prevent other systems, applications, or processes from accessing the same type of resource. 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
Do I need to act?
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0.15% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.9/10
Medium
NETWORK
/ LOW complexity
Affected Products (20)
Affected Vendors
References (1)
Vendor Advisory
https://www.qnap.com/en/security-advisory/qsa-25-50
44
/ 100
moderate-risk
Severity
20/34 · Moderate
Exploitability
1/34 · Minimal
Exposure
23/34 · High