CVE-2024-56808

Authenticated command execution via undisclosed injection

Published Feb 11, 2026 · Updated Feb 11, 2026

OS command injection in QNAP Media Streaming Add-on 500.1.x allows remote authenticated users on the local network to execute commands. QNAP has not disclosed the affected function, request parameter, or how untrusted input reaches an operating-system command. Exploitation requires both local-network access and a user account, and successful injection executes arbitrary commands on the NAS.

CVSS severity7.8
High
EPSS probability0.59%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

OS command injection in QNAP Media Streaming Add-on 500.1.x allows remote authenticated users on the local network to execute commands. QNAP has not disclosed the affected function, request parameter, or how untrusted input reaches an operating-system command. Exploitation requires both local-network access and a user account, and successful injection executes arbitrary commands on the NAS.

The record

CVE
CVE-2024-56808
Published
Feb 11, 2026
Updated
Feb 11, 2026
Vendor
Linn Products Limited
Product
Media Streaming Add-on
Classifications
CWE-78, CAPEC-88, T1059
Attack vector
adjacent
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 11, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 11, 2026Record 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=500.1.x <500.1.1.6 ( 2024/08/02 )

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesauthenticated

What is affected?

Linn Products Limited · Media Streaming Add-onversion=500.1.x <500.1.1.6 ( 2024/08/02 )

Published CVSS scores

7.8NIST National Vulnerability DatabaseCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.0QNAP Systems, Inc.CVSS:4.0/AV:P/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U

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)
Vectoradjacent
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CAPEC-88OS Command Injection
T1059Command and Scripting Interpreter

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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