CVE-2025-48725

HIGH

QNAP QTS and QuTS hero - Authenticated Buffer Overflow

Title source: llm
STIX 2.1

Description

A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following version: QuTS hero h5.3.2.3354 build 20251225 and later

References (1)

Core 1
Core References

Scores

CVSS v3 8.1
EPSS 0.0040
EPSS Percentile 31.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-120 CWE-121
Status published
Products (37)
qnap/qts 5.2.0.2737 build_20240417
qnap/qts 5.2.0.2744 build_20240424
qnap/qts 5.2.0.2782 build_20240601
qnap/qts 5.2.0.2802 build_20240620
qnap/qts 5.2.0.2823 build_20240711
qnap/qts 5.2.0.2851 build_20240808
qnap/qts 5.2.0.2860 build_20240817
qnap/qts 5.2.1.2930 build_20241025
qnap/qts 5.2.2.2950 build_20241114
qnap/qts 5.2.3.3006 build_20250108
... and 27 more
Published Feb 11, 2026
Tracked Since Feb 18, 2026