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CNVD-2025-20855

Vulnerability from cnvd - Published: 2025-09-09

Title

QNAP Systems File Station 5空指针取消引用漏洞（CNVD-2025-20855）

Description

QNAP Systems File Station 5威联通（QNAP）推出的文件管理应用程序，主要用于浏览、上传、下载及管理存储在NAS设备、远程服务器或外部存储设备上的文件和文件夹。 QNAP Systems File Station 5存在空指针取消引用漏洞，攻击者可利用该漏洞导致拒绝服务。

Severity

中

Patch Name

QNAP Systems File Station 5空指针取消引用漏洞（CNVD-2025-20855）的补丁

Patch Description

QNAP Systems File Station 5威联通（QNAP）推出的文件管理应用程序，主要用于浏览、上传、下载及管理存储在NAS设备、远程服务器或外部存储设备上的文件和文件夹。 QNAP Systems File Station 5存在空指针取消引用漏洞，攻击者可利用该漏洞导致拒绝服务。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

目前厂商已发布升级程序修复该安全问题，详情见厂商官网： https://www.qnap.com/en/security-advisory/qsa-25-19

Reference

https://nvd.nist.gov/vuln/detail/CVE-2025-29889

Impacted products

Name
QNAP Systems File Station 5 >=5.5.x，<5.5.6.4907

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-29889",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-29889"
    }
  },
  "description": "QNAP Systems File Station 5\u5a01\u8054\u901a\uff08QNAP\uff09\u63a8\u51fa\u7684\u6587\u4ef6\u7ba1\u7406\u5e94\u7528\u7a0b\u5e8f\uff0c\u4e3b\u8981\u7528\u4e8e\u6d4f\u89c8\u3001\u4e0a\u4f20\u3001\u4e0b\u8f7d\u53ca\u7ba1\u7406\u5b58\u50a8\u5728NAS\u8bbe\u5907\u3001\u8fdc\u7a0b\u670d\u52a1\u5668\u6216\u5916\u90e8\u5b58\u50a8\u8bbe\u5907\u4e0a\u7684\u6587\u4ef6\u548c\u6587\u4ef6\u5939\u3002\n\nQNAP Systems File Station 5\u5b58\u5728\u7a7a\u6307\u9488\u53d6\u6d88\u5f15\u7528\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u7a0b\u5e8f\u4fee\u590d\u8be5\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u89c1\u5382\u5546\u5b98\u7f51\uff1a\r\nhttps://www.qnap.com/en/security-advisory/qsa-25-19",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-20855",
  "openTime": "2025-09-09",
  "patchDescription": "QNAP Systems File Station 5\u5a01\u8054\u901a\uff08QNAP\uff09\u63a8\u51fa\u7684\u6587\u4ef6\u7ba1\u7406\u5e94\u7528\u7a0b\u5e8f\uff0c\u4e3b\u8981\u7528\u4e8e\u6d4f\u89c8\u3001\u4e0a\u4f20\u3001\u4e0b\u8f7d\u53ca\u7ba1\u7406\u5b58\u50a8\u5728NAS\u8bbe\u5907\u3001\u8fdc\u7a0b\u670d\u52a1\u5668\u6216\u5916\u90e8\u5b58\u50a8\u8bbe\u5907\u4e0a\u7684\u6587\u4ef6\u548c\u6587\u4ef6\u5939\u3002\r\n\r\nQNAP Systems File Station 5\u5b58\u5728\u7a7a\u6307\u9488\u53d6\u6d88\u5f15\u7528\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "QNAP Systems File Station 5\u7a7a\u6307\u9488\u53d6\u6d88\u5f15\u7528\u6f0f\u6d1e\uff08CNVD-2025-20855\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "QNAP Systems File Station 5 \u003e=5.5.x\uff0c\u003c5.5.6.4907"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2025-29889",
  "serverity": "\u4e2d",
  "submitTime": "2025-09-02",
  "title": "QNAP Systems File Station 5\u7a7a\u6307\u9488\u53d6\u6d88\u5f15\u7528\u6f0f\u6d1e\uff08CNVD-2025-20855\uff09"
}

CVE-2025-29889 (GCVE-0-2025-29889)

Vulnerability from cvelistv5 – Published: 2025-08-29 17:14 – Updated: 2025-08-29 18:24

Title

File Station 5

Summary

A NULL pointer dereference vulnerability has been reported to affect File Station 5. If a remote attacker gains a user account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.4907 and later

Severity

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-08-29 18:19 UTC

CWE

CWE-476

Assigner

qnap mitre root

References

1 reference

URL	Tags
https://www.qnap.com/en/security-advisory/qsa-25-19

Impacted products

1 product

Vendor	Product	Version
QNAP Systems Inc.	File Station 5	Affected: 5.5.x , < 5.5.6.4907 (custom)

Credits

coral

Show details on NVD website

JSON

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                  },
                  {
                    "Technical Impact": "partial"
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                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-29T18:19:16.313933Z",
                "version": "2.0.3"
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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CNVD-2025-20855

CVE-2025-29889 (GCVE-0-2025-29889)

Tags

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Nomenclature

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