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VulnerabilityPublished Updated

CVE-2025-30264: QNAP Systems QTS · Command Injection

Affects QNAP Systems QTSSource CVE Database V5

0

Not known to be exploited · CVSS 7.7 High : upgrade to 5.3.0 soon.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 4.0 base score
7.7High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
1.6% chance of exploitation in 30 days – higher than 76% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 5.3.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Aug 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade QNAP Systems QTS to 5.3.0.

Affected software

ProductAffectedFixed in
QNAP Systems Inc. QTSAffected
  • >=5.2.0 <5.3.0
Fixed in
  • 5.3.0

AI-suggested

Organizations should immediately verify the QTS version running on their QNAP NAS devices and upgrade to QTS 5.2.5.3145 or later, or QuTS hero h5.2.5.3138 or later, as these versions contain the security patches addressing CVE-2025-30264. Beyond patching, organizations should enforce strong password policies and multi-factor authentication (MFA) to reduce the risk of credential compromise. Network segmentation should be applied to isolate NAS devices from general user networks and limit administrative access to trusted IP addresses only. Monitoring and logging of NAS device access and command execution should be enhanced to detect suspicious activities early. Additionally, disable any unnecessary services or remote access features on the NAS to minimize the attack surface. Regular vulnerability scanning and penetration testing focused on NAS devices can help identify residual risks. Finally, organizations should educate users about phishing and credential theft risks to prevent initial account compromise.

Description

A command injection vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains a user account, they can then exploit the vulnerability to execute arbitrary commands. We have already fixed the vulnerability in the following versions: QTS 5.2.5.3145 build 20250526 and later QuTS hero h5.2.5.3138 build 20250519 and later

References

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