CVE-2025-30264: QNAP Systems QTS · Command Injection
Affects QNAP Systems QTSSource CVE Database V5
Not known to be exploited · CVSS 7.7 High : upgrade to 5.3.0 soon.
Data as of 26 Oct 2026, 17:16 UTC
- 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:NExploitation evidence
Disclosed: evidence found.
CVE published 29 Aug 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
| QNAP Systems Inc. QTS | Affected
| Fixed in
|
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