CVE-2025-48725
Analyzed Analyzed - Analysis Complete
Buffer Overflow in QNAP OS Allows Remote Memory Manipulation

Publication date: 2026-02-11

Last updated on: 2026-02-11

Assigner: QNAP Systems, Inc.

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
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-02-11
Last Modified
2026-02-11
Generated
2026-06-16
AI Q&A
2026-02-11
EPSS Evaluated
2026-06-15
NVD
CVE-2025-48725
EUVD
EUVD-2025-207445
Affected Vendors & Products
Showing 37 associated CPEs
Vendor Product Version / Range
qnap qts 5.2.0.2737
qnap qts 5.2.0.2744
qnap qts 5.2.0.2782
qnap qts 5.2.0.2802
qnap qts 5.2.0.2823
qnap qts 5.2.0.2851
qnap qts 5.2.0.2860
qnap qts 5.2.1.2930
qnap qts 5.2.2.2950
qnap qts 5.2.3.3006
qnap qts 5.2.4.3070
qnap qts 5.2.4.3079
qnap qts 5.2.4.3092
qnap qts 5.2.5.3145
qnap qts 5.2.6.3195
qnap qts 5.2.6.3229
qnap qts 5.2.7.3256
qnap qts 5.2.7.3297
qnap qts 5.2.8.3332
qnap quts_hero h5.2.0.2737
qnap quts_hero h5.2.0.2782
qnap quts_hero h5.2.0.2789
qnap quts_hero h5.2.0.2802
qnap quts_hero h5.2.0.2823
qnap quts_hero h5.2.0.2851
qnap quts_hero h5.2.0.2860
qnap quts_hero h5.2.1.2929
qnap quts_hero h5.2.1.2940
qnap quts_hero h5.2.2.2952
qnap quts_hero h5.2.3.3006
qnap quts_hero h5.2.4.3070
qnap quts_hero h5.2.4.3079
qnap quts_hero h5.2.5.3138
qnap quts_hero h5.2.6.3195
qnap quts_hero h5.2.7.3256
qnap quts_hero h5.2.7.3297
qnap quts_hero h5.2.8.3321
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-120 The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.
CWE-121 A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability is a buffer overflow issue affecting several versions of the QNAP operating system. It allows a remote attacker who has gained a user account to exploit the vulnerability to modify memory or cause processes to crash.

Impact Analysis

If exploited, this vulnerability can allow an attacker with a user account to alter memory contents or crash system processes, potentially leading to system instability or unauthorized behavior.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

To mitigate this vulnerability, you should update your QNAP operating system to QuTS hero version h5.3.2.3354 build 20251225 or later, where the vulnerability has been fixed.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2025-48725. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart