CVE-2025-58465Network attack vector

Authenticated cross-user script execution via undisclosed input handling

Published Nov 7, 2025 · Updated Nov 7, 2025

Cross-site scripting in QNAP Download Station 5.10.x allows remote authenticated users to read application data via unspecified vectors. QNAP has not disclosed the affected request, parameter, rendering context, or input-handling operation responsible for the XSS. Successful exploitation requires a valid user account and active user interaction and can bypass security mechanisms or expose application data.

CVSS severity5.4
Medium
EPSS probability0.20%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in QNAP Download Station 5.10.x allows remote authenticated users to read application data via unspecified vectors. QNAP has not disclosed the affected request, parameter, rendering context, or input-handling operation responsible for the XSS. Successful exploitation requires a valid user account and active user interaction and can bypass security mechanisms or expose application data.

The record

CVE
CVE-2025-58465
Published
Nov 7, 2025
Updated
Nov 7, 2025
Vendor
Linn Products Limited
Product
Download Station
Classifications
CWE-79, CAPEC-591, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 7, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 7, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=5.10.x <5.10.0.304 ( 2025/09/08 )
  2. Affected versionversion=5.10.x <5.10.0.305 ( 2025/09/16 )

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Linn Products Limited · Download Stationversion=5.10.x <5.10.0.304 ( 2025/09/08 ); version=5.10.x <5.10.0.305 ( 2025/09/16 )

Published CVSS scores

2.2QNAP Systems, Inc.CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/E:U
5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-591Reflected XSS
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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