QT
Product
QTS
by QNAP · last CVE Jun 10, 2026
On CISA KEVExploited in the wildRansomware-linked
283
CVEs
7
On KEV
10.0
Max CVSS
0
New 30D
Severity mix
Critical 43High 115Medium 120Low 3
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2020-2509
In wildKEV
9.8
34%
Apr 17
Command Injection Vulnerability in QTS and QuTS hero
Affected: before 4.2.6; 4.3.5 before 4.3.6; 4.4.0 before 4.5.1; 4.2.6; 4.2.6; 4.2.6; +34 more
CVE-2018-19949
RansomwareIn wildKEV
9.8
30%
Oct 28
QNAP NAS File Station Command Injection Vulnerability
Affected: before 4.2.6; 4.3.1.0013 before 4.3.3.1161; 4.3.4 before 4.3.4.1190; 4.3.6 before 4.3.6.1218; 4.4.0 before 4.4.1.1201; 4.4.2 before 4.4.2.1231; +6 more
CVE-2019-7193
RansomwareIn wildKEV
9.8
14%
Dec 5
QNAP QTS Improper Input Validation Vulnerability
Affected: 4.3.6.0895; 4.3.6.0907; 4.3.6.0923; 4.3.6.0944; 4.3.6.0959; 4.3.6.0979; +10 more
CVE-2014-7169
In wildKEV
9.8
100%
Sep 25
GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Vulnerability
Affected: before 4.1.1; 4.1.1; 4.1.1
CVE-2014-6271
In wildKEV
9.8
100%
Sep 24
GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Vulnerability
Affected: before 4.1.1; 4.1.1; 4.1.1
CVE-2018-19953
RansomwareIn wildKEV
6.1
31%
Oct 28
QNAP NAS File Station Cross-Site Scripting Vulnerability
Affected: before 4.2.6; 4.3.1.0013 before 4.3.3.1161; 4.3.4 before 4.3.4.1190; 4.3.6 before 4.3.6.1218; 4.4.0 before 4.4.1.1201; 4.4.2 before 4.4.2.1231; +6 more
CVE-2018-19943
RansomwareIn wildKEV
5.4
23%
Oct 28
QNAP NAS File Station Cross-Site Scripting Vulnerability
Affected: before 4.2.6; 4.3.1.0013 before 4.3.3.1252; 4.3.4 before 4.3.4.1282; 4.3.6 before 4.3.6.1263; 4.4.0 before 4.4.1.1261; 4.4.2 before 4.4.2.1270; +10 more
CVE-2024-32766
10.0
2%
Apr 26
An OS command injection vulnerability has been reported to affect several QNAP operating system versions
Affected: before 4.5.4.2627; 5.0.0 before 5.1.3.2578; 4.5.4.2627; 5.1.3.2578
CVE-2017-7876
10.0
3%
Jun 15
This command injection vulnerability in QTS allows attackers to run arbitrary commands in the compromised application
Affected: through 4.2.6
CVE-2025-66276
9.8
0%
Jun 10
QuTS hero is not affected
Affected: 4.3.0 before 5.2.7.3256
CVE-2025-66277
9.8
1%
Feb 11
A link following vulnerability has been reported to affect several QNAP operating system versions
Affected: 5.2.0.2737; 5.2.0.2744; 5.2.0.2782; 5.2.0.2802; 5.2.0.2823; 5.2.0.2851; +13 more
CVE-2025-62849
9.8
1%
Dec 16
An SQL injection vulnerability has been reported to affect several QNAP operating system versions
Affected: 5.2.0.2737; 5.2.0.2744; 5.2.0.2782; 5.2.0.2802; 5.2.0.2823; 5.2.0.2851; +11 more
CVE-2025-59385
9.8
1%
Dec 16
An authentication bypass by spoofing vulnerability has been reported to affect several QNAP operating system versions
Affected: 5.2.0.2737; 5.2.0.2744; 5.2.0.2782; 5.2.0.2802; 5.2.0.2823; 5.2.0.2851; +11 more
CVE-2024-50393
9.8
1%
Dec 6
A command injection vulnerability has been reported to affect several QNAP operating system versions
Affected: 5.1.0.2348; 5.1.0.2399; 5.1.0.2418; 5.1.0.2444; 5.1.0.2466; 5.1.1.2491; +16 more
CVE-2024-21899
9.8
24%
Mar 8
An improper authentication vulnerability has been reported to affect several QNAP operating system versions
Affected: before 4.5.4.2627; 5.1.0 before 5.1.3.2578; 4.5.4.2627; 5.1.3.2578
CVE-2023-45025
9.8
1%
Feb 2
An OS command injection vulnerability has been reported to affect several QNAP operating system versions
Affected: 4.5.4.1715; 4.5.4.1723; 4.5.4.1741; 4.5.4.1787; 4.5.4.1800; 4.5.4.1892; +15 more
CVE-2023-39303
9.8
0%
Feb 2
An improper authentication vulnerability has been reported to affect several QNAP operating system versions
Affected: 5.1.0.2348; 5.1.0.2399; 5.1.0.2418; 5.1.0.2444; 5.1.0.2466; 5.1.1.2491; +2 more
CVE-2023-23369
9.8
14%
Nov 3
An OS command injection vulnerability has been reported to affect several QNAP operating system versions
Affected: 5.1.0.2348; 4.3.6.0895; 4.3.6.0907; 4.3.6.0923; 4.3.6.0944; 4.3.6.0959; +34 more
CVE-2023-23368
9.8
19%
Nov 3
An OS command injection vulnerability has been reported to affect several QNAP operating system versions
Affected: 5.0.1; 5.0.1.2034; 5.0.1.2079; 5.0.1.2131; 5.0.1.2137; 5.0.1.2145; +17 more
CVE-2023-23363
9.8
1%
Sep 22
A buffer copy without checking size of input vulnerability has been reported to affect QNAP operating system
Affected: 4.3.3 before 4.3.3.2420; 4.3.4 before 4.3.4.245; 4.3.6 before 4.3.6.2441
CVE-2022-27596
9.8
3%
Jan 30
A vulnerability has been reported to affect QNAP device running QuTS hero, QTS
Affected: 5.0.1 before 5.0.1.2234
CVE-2021-28804
9.8
2%
Jul 1
A command injection vulnerabilities have been reported to affect QTS and QuTS hero
Affected: through 4.5.1.1540
CVE-2021-28802
9.8
2%
Jul 1
A command injection vulnerabilities have been reported to affect QTS and QuTS hero
Affected: before 4.5.1.1540
CVE-2021-28800
9.8
1%
Jun 24
A command injection vulnerability has been reported to affect QNAP NAS running legacy versions of QTS
Affected: before 4.3.3.1624; 4.3.4 before 4.3.6.1663
CVE-2020-36195
9.8
2%
Apr 17
An SQL injection vulnerability has been reported to affect QNAP NAS running Multimedia Console or the Media Streaming add-on
Affected: before 4.3.3; 4.3.4 before 4.3.6; 4.3.3; 4.3.3.0095; 4.3.3.0096; 4.3.3.0136; +34 more
CVE-2019-7198
9.8
3%
Dec 10
This command injection vulnerability allows attackers to execute arbitrary commands in a compromised application
Affected: before 4.4.3.1354; before 4.5.1.1456
CVE-2019-7183
9.8
2%
Dec 5
This improper link resolution vulnerability allows remote attackers to access system files
Affected: 4.2.6; 4.3.3.0868; 4.3.3.0998; 4.3.4.0899; 4.3.4.1029; 4.3.6.0895; +19 more
CVE-2018-0730
9.8
2%
Dec 4
This command injection vulnerability in File Station allows attackers to execute commands on the affected device
Affected: 4.2.6; 4.3.3.0868; 4.3.3.0998; 4.3.4.0899; 4.3.4.1029; 4.3.6.0895; +19 more
CVE-2018-14749
9.8
1%
Nov 28
Buffer Overflow vulnerability in QTS 4.3.5 build 20181013, QTS 4.3.4 build 20181008, QTS 4.3.3 build 20180829, QTS 4.2.6 build 20180829 and earlier versions could have unspecified…
Affected: 4.2.6; 4.3.3; 4.3.4; 4.3.5
CVE-2018-14746
9.8
3%
Nov 28
Command Injection vulnerability in QTS 4.3.5 build 20181013, QTS 4.3.4 build 20181008, QTS 4.3.3 build 20180829, QTS 4.2.6 build 20180829 and earlier versions could allow remote…
Affected: 4.2.6; 4.3.3; 4.3.4; 4.3.5
CVE-2018-0712
9.8
3%
Jun 21
Command injection vulnerability in LDAP Server in QNAP QTS 4.2.6 build 20171208, QTS 4.3.3 build 20180402, QTS 4.3.4 build 20180413 and their earlier versions could allow remote…
Affected: 4.2.6; 4.3.3; through 4.3.4
CVE-2017-17033
9.8
4%
Dec 21
A buffer overflow vulnerability in password function in QNAP QTS version 4.2.6 build 20171026, 4.3.3.0378 build 20171117, 4.3.4.0387 (Beta 2) build 20171116 and earlier could…
Affected: through 4.3.3.0378; 4.3.4.0358; 4.3.4.0370; 4.3.4.0372; 4.3.4.0374; 4.3.4.0387
CVE-2017-17032
9.8
3%
Dec 21
A buffer overflow vulnerability in password function in QNAP QTS version 4.2.6 build 20171026, 4.3.3.0378 build 20171117, 4.3.4.0387 (Beta 2) build 20171116 and earlier could…
Affected: through 4.3.3.0378; 4.3.4.0358; 4.3.4.0370; 4.3.4.0372; 4.3.4.0374; 4.3.4.0387
CVE-2017-17031
9.8
3%
Dec 21
A buffer overflow vulnerability in password function in QNAP QTS version 4.2.6 build 20171026, 4.3.3.0378 build 20171117, 4.3.4.0387 (Beta 2) build 20171116 and earlier could…
Affected: through 4.3.3.0378; 4.3.4.0358; 4.3.4.0370; 4.3.4.0372; 4.3.4.0374; 4.3.4.0387
CVE-2017-17030
9.8
3%
Dec 21
A buffer overflow vulnerability in login function in QNAP QTS version 4.2.6 build 20171026, 4.3.3.0378 build 20171117, 4.3.4.0387 (Beta 2) build 20171116 and earlier could allow…
Affected: through 4.3.3.0378; 4.3.4.0358; 4.3.4.0370; 4.3.4.0372; 4.3.4.0374; 4.3.4.0387
CVE-2017-17029
9.8
3%
Dec 21
A buffer overflow vulnerability in login function in QNAP QTS version 4.2.6 build 20171026, 4.3.3.0378 build 20171117, 4.3.4.0387 (Beta 2) build 20171116 and earlier could allow…
Affected: through 4.3.3.0378; 4.3.4.0358; 4.3.4.0370; 4.3.4.0372; 4.3.4.0374; 4.3.4.0387
CVE-2017-17028
9.8
3%
Dec 21
A buffer overflow vulnerability in external device function in QNAP QTS version 4.2.6 build 20171026, 4.3.3.0378 build 20171117, 4.3.4.0387 (Beta 2) build 20171116 and earlier…
Affected: through 4.3.3.0378; 4.3.4.0358; 4.3.4.0370; 4.3.4.0372; 4.3.4.0374; 4.3.4.0387
CVE-2017-17027
9.8
3%
Dec 21
A buffer overflow vulnerability in FTP service in QNAP QTS version 4.2.6 build 20171026, 4.3.3.0378 build 20171117, 4.3.4.0387 (Beta 2) build 20171116 and earlier could allow…
Affected: through 4.3.3.0378; 4.3.4.0358; 4.3.4.0370; 4.3.4.0372; 4.3.4.0374; 4.3.4.0387
CVE-2017-10700
9.8
2%
Sep 19
In the medialibrary component in QNAP NAS 4.3.3.0229, an un-authenticated, remote attacker can execute arbitrary system commands as the root user of the NAS application
Affected: 4.3.3.0229
CVE-2017-13067
9.8
17%
Sep 14
QNAP has patched a remote code execution vulnerability affecting the QTS Media Library in all versions prior to QTS 4.2.6 build 20170905 and QTS 4.3.3.0299 build 20170901
Affected: 4.2.0 through 4.2.6; 4.3.0 through 4.3.3.0299
CVE-2017-6361
9.8
57%
Mar 23
QNAP QTS before 4.2.4 Build 20170313 allows attackers to execute arbitrary commands via unspecified vectors
Affected: through 4.2.4
CVE-2017-6360
9.8
66%
Mar 23
QNAP QTS before 4.2.4 Build 20170313 allows attackers to gain administrator privileges and obtain sensitive information via unspecified vectors
Affected: through 4.2.4
CVE-2017-6359
9.8
27%
Mar 23
QNAP QTS before 4.2.4 Build 20170313 allows attackers to gain administrator privileges and execute arbitrary commands via unspecified vectors
Affected: through 4.2.4
CVE-2024-48859
9.1
1%
Dec 6
An improper authentication vulnerability has been reported to affect several QNAP operating system versions
Affected: 5.1.0.2348; 5.1.0.2399; 5.1.0.2418; 5.1.0.2444; 5.1.0.2466; 5.1.1.2491; +16 more
CVE-2018-19945
9.1
1%
Dec 31
A vulnerability has been reported to affect earlier QNAP devices running QTS 4.3.4 to 4.3.6
Affected: 4.3.4 before 4.3.4.0899; 4.3.5 before 4.3.6.0895
CVE-2025-30264
8.8
2%
Aug 29
A command injection vulnerability has been reported to affect several QNAP operating system versions
Affected: 5.2.0.2737; 5.2.0.2744; 5.2.0.2782; 5.2.0.2802; 5.2.0.2823; 5.2.0.2851; +7 more
CVE-2025-22481
8.8
1%
Jun 6
A command injection vulnerability has been reported to affect several QNAP operating system versions
Affected: 5.2.0.2737; 5.2.0.2744; 5.2.0.2782; 5.2.0.2802; 5.2.0.2823; 5.2.0.2851; +5 more
CVE-2024-53691
8.8
24%
Dec 6
A link following vulnerability has been reported to affect several QNAP operating system versions
Affected: 5.1.0.2348; 5.1.0.2399; 5.1.0.2418; 5.1.0.2444; 5.1.0.2466; 5.1.1.2491; +10 more
CVE-2024-50397
8.8
1%
Nov 22
A use of externally-controlled format string vulnerability has been reported to affect several QNAP operating system versions
Affected: 5.2.0.2737; 5.2.0.2744; 5.2.0.2782; 5.2.0.2802; 5.2.0.2823; 5.2.0.2851; +1 more
CVE-2024-50396
8.8
1%
Nov 22
A use of externally-controlled format string vulnerability has been reported to affect several QNAP operating system versions
Affected: 5.2.0.2737; 5.2.0.2744; 5.2.0.2782; 5.2.0.2802; 5.2.0.2823; 5.2.0.2851; +1 more
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