CVE-2026-41541: CWE-61 in QNAP Systems Inc. Qsync Central
Description
An unix symbolic link (symlink) following vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to compromise the security of the system. We have already fixed the vulnerability in the following version: Qsync Central 5.0.0.7 and later Qsync Central 5.1.0.3 and later Qsync Central 5.2.0.5 and later Qsync Central 5.3.0.2 and later
CVSS v4.0
Score 5.3medium
Affected software
QNAP Systems Inc.
Qsync Central
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-41541) is classified as CWE-61, a Unix symlink following issue affecting Qsync Central by QNAP Systems Inc. The flaw allows a remote attacker who has obtained a user account to exploit symbolic link handling to compromise system security. The CVSS v4.0 base score is 5.3 (medium severity), reflecting network attack vector, low complexity, no privileges required beyond user level, no user interaction, and limited confidentiality, integrity, and availability impacts. The vendor has released official fixes in Qsync Central versions 5.0.0.7, 5.1.0.3, 5.2.0.5, and 5.3.0.2 and later.
Potential Impact
A remote attacker with a user account on the affected Qsync Central versions can exploit the symlink following vulnerability to compromise system security. The impact is limited to confidentiality, integrity, and availability with low severity as per the CVSS score. There are no known exploits in the wild at this time.
Mitigation Recommendations
Upgrade Qsync Central to version 5.0.0.7 or later, 5.1.0.3 or later, 5.2.0.5 or later, or 5.3.0.2 or later to remediate this vulnerability. These versions contain the official fixes from the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- qnap
- Date Reserved
- 2026-04-21T03:07:17.288Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ad0a18d2cdf04f65621d7ad
Added to database: 10/15/2026, 09:49:01 UTC
Last enriched: 10/15/2026, 10:03:55 UTC
Last updated: 10/15/2026, 19:00:27 UTC
Views: 14
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