PT-2026-48358

A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to launch a denial-of-service DoS attack. We have already fixed the vulnerability in the...

PT-2026-48368

Name of the Vulnerable Software and Affected Versions QTS versions prior to 5.2.9.3492 build 20260507 QuTS hero versions prior to h5.2.9.3499 build 20260514 Description A command injection issue allows a remote attacker with administrator account access to execute arbitrary commands on the system...

QNAP qts 异常处理不当漏洞

QNAP Systems QTS and QNAP Systems QuTS hero are software products with data storage and management functions developed by QNAP Systems, a company based in Taiwan, China. There are code-related vulnerabilities in QNAP Systems QTS and QNAP Systems QuTS hero, which stem from null pointer...

QNAP QTS 输入验证错误漏洞

QNAP Systems QuTScloud is a product of QNAP Systems. It is a cloud-optimized version of the QNAP NAS operating system. QNAP Systems QTS is software with data storage and management capabilities. QNAP Systems QuTS Hero is also software with data storage and management capabilities. Several product...

QNAP file station 缓冲区错误漏洞

QNAP Systems File Station 5 is a file management system developed by QNAP Systems, a company based in Taiwan, China. QNAP Systems File Station 5 has a security vulnerability that stems from a buffer overflow issue. This vulnerability could allow remote attackers to modify memory or cause processe...

QNAP QTS 路径遍历漏洞

QNAP Systems QTS and QNAP Systems QuTS hero are software products with data storage and management functions developed by QNAP Systems, a company based in Taiwan, China. Both products have path traversal vulnerabilities, which allow remote attackers to access unexpected files or system data after...

CVE-2025-62858

A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following versions:...

EUVD-2025-210082

A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following versions:...

CVE-2025-62858

CVE-2025-62858 is a buffer overflow affecting several QNAP OS lines (QTS 5.2.x and QuTS hero releases h5/h6) where an attacker with an administrator account could cause memory modification or process crashes. The vulnerability’s root cause is not explicitly detailed in the provided documents, but...

CVE-2026-41539

A cross-site scripting XSS vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to bypass security mechanisms or read application data. We have already fixed the vulnerability in the following versions: QTS...

CVE-2026-41539 QTS, QuTS hero

A cross-site scripting XSS vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to bypass security mechanisms or read application data. We have already fixed the vulnerability in the following versions: QTS...

CVE-2026-41539

CVE-2026-41539 is a cross-site scripting (XSS) vulnerability affecting several QNAP operating system versions. The issue impacts QTS 5.2.9.3492+ and QuTS hero releases: h5.2.9.3499+, h5.3.4.3500+, and h6.0.0.3500+, all built around 2026-05-07 to 2026-05-20. Root cause and technical details are no...

EUVD-2026-35350

A cross-site scripting XSS vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to bypass security mechanisms or read application data. We have already fixed the vulnerability in the following versions: QTS...

PT-2026-47691

🚨 CVE-2025-62858 A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the...

QNAP QTS 跨站脚本漏洞

QNAP Systems QTS and QNAP Systems QuTS hero are software products with data storage and management functions developed by QNAP Systems, a company based in Taiwan, China. Both products have cross-site scripting vulnerabilities. These vulnerabilities allow remote attackers to bypass security...

QNAP TS-453E QVRPro excpostgres Exposed Dangerous Method Remote Code Execution Vulnerability

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of QNAP TS-453E devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the QVRPro Plugin. The issue results from an exposed dangerous method. An...

(Pwn2Own) QNAP QHora-322 login.newAuthMiddleware.Authenticator Authentication Bypass Vulnerability

This vulnerability allows remote attackers to bypass authentication on affected installations of QNAP QHora-322 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the quroutertoken parameter provided to the...

(Pwn2Own) QNAP QHora-322 qvpn_db_mgr username SQL Injection Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of QNAP QHora-322 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the qvpndbmgr module...

(Pwn2Own) QNAP QHora-322 qvpn_db_mgr role_type Improper Neutralization of Escape Sequences Authentication Bypass Vulnerability

This vulnerability allows remote attackers to bypass authentication on affected QNAP QHora-322 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of the roletype parameter...

(Pwn2Own) QNAP QHora-322 ip6_wanifset Improper Restriction of Communication Channel to Intended Endpoints Firewall Bypass Vulnerability

This vulnerability allows network-adjacent attackers to bypass firewall rules on affected installations of QNAP QHora-322 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of firewall rules. The issue results from failing to...