CVE-2025-62852— QTS, QuTS hero
Quick assessment
Affected
QNAP Systems Inc. QTS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
QNAP Systems QTS是中国台湾威联通科技（QNAP Systems）公司的一个具有数据存储与管理功能的软件。 QNAP Systems QTS存在安全漏洞，该漏洞源于缓冲区溢出，可能导致修改内存或使进程崩溃。
Possible ATT&CK Techniques 2 AI
T1055 · Process Injection T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2025-62852
Vulnerability Information
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Vulnerability Title
QTS, QuTS hero
Source: CVE Program / CVE List V5
Vulnerability Description
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 version:
QTS 5.2.8.3332 build 20251128 and later
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
QNAP Systems QTS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QNAP Systems QTS是中国台湾威联通科技（QNAP Systems）公司的一个具有数据存储与管理功能的软件。 QNAP Systems QTS存在安全漏洞，该漏洞源于缓冲区溢出，可能导致修改内存或使进程崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| QNAP Systems Inc. | QTS | 5.2.x ~ 5.2.8.3332 build 20251128 | - |
|
II. Public POCs for CVE-2025-62852
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Same Patch Batch · QNAP Systems Inc. · 2026-01-02 · 35 CVEs total
| CVE-2025-59380 | QTS, QuTS hero | |
| CVE-2025-54165 | QTS, QuTS hero | |
| CVE-2025-54166 | QTS, QuTS hero | |
| CVE-2025-57705 | QTS, QuTS hero | |
| CVE-2025-9110 | QTS, QuTS hero | |
| CVE-2025-48721 | QTS, QuTS hero | |
| CVE-2025-52871 | License Center | |
| CVE-2025-53594 | Qfinder Pro, Qsync, QVPN | |
| CVE-2025-53597 | License Center | |
| CVE-2025-54164 | QTS, QuTS hero | |
| CVE-2025-59381 | QTS, QuTS hero | |
| CVE-2025-59384 | Qfiling | |
| CVE-2025-59387 | MARS (Multi-Application Recovery Service) | |
| CVE-2025-11837 | Malware Remover | |
| CVE-2025-62840 | HBS 3 Hybrid Backup Sync | |
| CVE-2025-62842 | HBS 3 Hybrid Backup Sync | |
| CVE-2025-59389 | Hyper Data Protector | |
| CVE-2025-53405 | QTS, QuTS hero | |
| CVE-2025-44013 | QTS, QuTS hero | |
| CVE-2025-47208 | QTS, QuTS hero |
Showing top 20 of 35 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2025-62852
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