CVE-2025-33031— File Station 5
Quick assessment
Affected
QNAP Systems Inc. File Station 5
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 File Station 5是中国台湾威联通科技（QNAP）公司的一个文件管理系统。 QNAP File Station 5存在信任管理问题漏洞，该漏洞源于证书验证不当，可能导致系统安全受损。
Possible ATT&CK Techniques 1 AI
T1552.004 · Private Keys
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I. Basic Information for CVE-2025-33031
Vulnerability Information
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Vulnerability Title
File Station 5
Source: CVE Program / CVE List V5
Vulnerability Description
An improper certificate validation vulnerability has been reported to affect File Station 5. If a remote attacker gains a user account, they can then exploit the vulnerability to compromise the security of the system.
We have already fixed the vulnerability in the following version:
File Station 5 5.5.6.4847 and later
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
QNAP File Station 5 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QNAP File Station 5是中国台湾威联通科技（QNAP）公司的一个文件管理系统。 QNAP File Station 5存在信任管理问题漏洞，该漏洞源于证书验证不当，可能导致系统安全受损。
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. | File Station 5 | 5.5.x ~ 5.5.6.4847 | - |
|
II. Public POCs for CVE-2025-33031
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2025-33031 (1)
Same Patch Batch · QNAP Systems Inc. · 2025-06-06 · 21 CVEs total
| CVE-2024-13087 | QHora | |
| CVE-2025-33035 | File Station 5 | |
| CVE-2025-30279 | File Station 5 | |
| CVE-2025-29877 | File Station 5 | |
| CVE-2025-29876 | File Station 5 | |
| CVE-2025-29873 | File Station 5 | |
| CVE-2025-29872 | File Station 5 | |
| CVE-2025-29871 | File Station 5 | |
| CVE-2025-22490 | File Station 5 | |
| CVE-2025-22484 | File Station 5 | |
| CVE-2025-29885 | File Station 5 | |
| CVE-2024-13088 | QHora | |
| CVE-2024-56805 | QTS, QuTS hero | |
| CVE-2025-22481 | QTS, QuTS hero | |
| CVE-2024-50406 | License Center | |
| CVE-2025-22482 | Qsync Central | |
| CVE-2025-29892 | Qsync Central | |
| CVE-2025-22486 | File Station 5 | |
| CVE-2025-29883 | File Station 5 | |
| CVE-2025-29884 | File Station 5 |
IV. Related Vulnerabilities
Same weakness: CWE-295
-
CVE-2026-17024
Vulnerabilities in IBM AIX and PowerVM VIOS -
CVE-2026-53583
libgit2: Inverted IP SubjectAltName Comparison in OpenSSL Ba -
CVE-2026-73253
Mongoose: TLS Hostname Verification Bypass via Overly Permis -
CVE-2026-73251
Mongoose Built-in TLS: CA-bundle certificate chain accepted -
CVE-2026-76403
Improper Certificate Validation through HTTP Event Collector
V. Comments for CVE-2025-33031
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