CVE-2025-62852
Published: 02 January 2026
Summary
CVE-2025-62852 is a low-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Qnap Quts Hero. Its CVSS base score is 1.2 (Low).
Operationally, ranked at the 30.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-0659
Vulnerability details
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…
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in the following version: QTS 5.2.8.3332 build 20251128 and later
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.