CVE-2025-29893
Published: 29 August 2025
Summary
CVE-2025-29893 is a high-severity SQL Injection (CWE-89) vulnerability in Qnap Qsync Central. Its CVSS base score is 8.8 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 28.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 RA-5 (Vulnerability Monitoring and Scanning) and SI-10 (Information Input Validation).
Threat & Defense at a Glance
Threat & Defense Details
Mitigating Controls (NIST 800-53 r5)AI
SI-10 directly prevents SQL injection vulnerabilities like CVE-2025-29893 by enforcing validation of user inputs to block malicious SQL code execution.
SI-2 requires timely identification, reporting, and remediation of flaws such as this SQL injection vulnerability through patching to fixed versions like Qsync Central 4.5.0.7.
RA-5 mandates vulnerability scanning to detect SQL injection flaws like CVE-2025-29893 and subsequent risk-based remediation to prevent exploitation.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
SQL injection in a remotely accessible application directly enables T1190 (Exploit Public-Facing Application). Successful exploitation permits arbitrary command/code execution (T1059) and privilege escalation (T1068) from a valid account.
NVD Description
An SQL injection vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to execute unauthorized code or commands. We have already fixed the vulnerability in the following…
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version: Qsync Central 4.5.0.7 ( 2025/04/23 ) and later
Deeper analysisAI
CVE-2025-29893 is an SQL injection vulnerability (CWE-89) affecting Qsync Central, a product from QNAP. Published on 2025-08-29, the flaw carries a CVSS v3.1 base score of 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H), indicating high severity due to its potential for significant confidentiality, integrity, and availability impacts.
A remote attacker who first obtains a valid user account on the affected Qsync Central instance can exploit the SQL injection to execute unauthorized code or commands. The low attack complexity and lack of user interaction requirements make it straightforward for a compromised account holder to escalate privileges remotely over the network.
QNAP has mitigated the vulnerability in Qsync Central version 4.5.0.7, released on 2025/04/23, and all subsequent versions. Administrators should update to a patched version immediately. Additional details are available in QNAP's security advisory at https://www.qnap.com/en/security-advisory/qsa-25-22.
Details
- CWE(s)