QT
Product
QTS
by QNAP Systems Inc. · last CVE Jun 10, 2026
On CISA KEVExploited in the wildRansomware-linked
67
CVEs
4
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 6High 24Medium 36Low 1
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2018-19953
RansomwareIn wildKEV
6.1
31%
Oct 28
QNAP NAS File Station Cross-Site Scripting Vulnerability
Affected: before 4.4.2.1231; before 4.4.1.1201; before 4.3.6.1218; before 4.3.4.1190; before 4.3.3.1161; before 4.2.6
CVE-2018-19943
RansomwareIn wildKEV
5.4
23%
Oct 28
QNAP NAS File Station Cross-Site Scripting Vulnerability
Affected: before 4.4.2.1270; before 4.4.1.1261; before 4.3.6.1263; before 4.3.4.1282; before 4.3.3.1252; before 4.2.6
CVE-2026-24717
6.5
0%
Jun 10
QTS, QuTS hero
Affected: 5.2.0 before 5.2.9.3492 build 20260507
CVE-2025-62858
6.5
0%
Jun 9
QTS, QuTS hero
Affected: 5.2.0 before 5.2.9.3410 build 20260214
CVE-2025-62852
6.5
0%
Jan 2
QTS, QuTS hero
Affected: 5.2.x before 5.2.8.3332 build 20251128
CVE-2025-48721
6.5
0%
Jan 2
QTS, QuTS hero
Affected: 5.2.x before 5.2.8.3332 build 20251128
CVE-2025-53593
6.5
0%
Jan 2
QTS, QuTS hero
Affected: 5.2.x before 5.2.7.3256 build 20250913
CVE-2025-53592
6.5
0%
Jan 2
QTS, QuTS hero
Affected: 5.2.x before 5.2.7.3256 build 20250913
CVE-2025-53591
6.5
0%
Jan 2
QTS, QuTS hero
Affected: 5.2.x before 5.2.7.3256 build 20250913
CVE-2025-47208
6.5
0%
Jan 2
QTS, QuTS hero
Affected: 5.2.x before 5.2.6.3195 build 20250715
CVE-2025-44013
6.5
0%
Jan 2
QTS, QuTS hero
Affected: 5.2.x before 5.2.6.3195 build 20250715
CVE-2024-21904
6.5
0%
Sep 6
QTS, QuTS hero
Affected: 5.1.x before 5.1.7.2770 build 20240520
CVE-2023-51368
6.5
0%
Sep 6
QTS, QuTS hero
Affected: 5.1.x before 5.1.6.2722 build 20240402
CVE-2023-51366
6.5
0%
Sep 6
QTS, QuTS hero
Affected: 5.1.x before 5.1.6.2722 build 20240402
CVE-2026-41539
6.1
0%
Jun 9
QTS, QuTS hero
Affected: 5.2.0 before 5.2.9.3492 build 20260507
CVE-2024-21897
5.4
0%
Sep 6
QTS, QuTS hero
Affected: 5.1.x before 5.1.6.2722 build 20240402
CVE-2025-47205
4.9
0%
Feb 11
QTS, QuTS hero
Affected: 5.2.x before 5.2.8.3332 build 20251128
CVE-2025-58466
4.9
1%
Feb 11
QTS, QuTS hero
Affected: 5.2.x before 5.2.8.3332 build 20251128
CVE-2025-66274
4.9
0%
Feb 11
QTS, QuTS hero
Affected: 5.2.0 before 5.2.9.3410 build 20260214
CVE-2025-59381
4.9
0%
Jan 2
QTS, QuTS hero
Affected: 5.2.0 before 5.2.8.3332 build 20251128
CVE-2025-59380
4.9
1%
Jan 2
QTS, QuTS hero
Affected: 5.2.x before 5.2.8.3332 build 20251128
CVE-2025-57705
4.9
0%
Jan 2
QTS, QuTS hero
Affected: 5.2.x before 5.2.7.3256 build 20250913
CVE-2025-54166
4.9
0%
Jan 2
QTS, QuTS hero
Affected: 5.2.x before 5.2.7.3256 build 20250913
CVE-2025-54165
4.9
0%
Jan 2
QTS, QuTS hero
Affected: 5.2.x before 5.2.7.3256 build 20250913
CVE-2025-54164
4.9
0%
Jan 2
QTS, QuTS hero
Affected: 5.2.x before 5.2.7.3256 build 20250913
CVE-2025-53596
4.9
0%
Jan 2
QTS, QuTS hero
Affected: 5.2.x before 5.2.7.3256 build 20250913
CVE-2025-53590
4.9
0%
Jan 2
A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions
Affected: 5.2.x before 5.2.7.3256 build 20250913
CVE-2025-53589
4.9
0%
Jan 2
QTS, QuTS hero
Affected: 5.2.x before 5.2.7.3256 build 20250913
CVE-2025-53414
4.9
0%
Jan 2
QTS, QuTS hero
Affected: 5.2.x before 5.2.7.3256 build 20250913
CVE-2025-53405
4.9
0%
Jan 2
QTS, QuTS hero
Affected: 5.2.x before 5.2.7.3256 build 20250913
CVE-2025-52431
4.9
0%
Jan 2
QTS, QuTS hero
Affected: 5.2.x before 5.2.7.3256 build 20250913
CVE-2025-52430
4.9
0%
Jan 2
QTS, QuTS hero
Affected: 5.2.x before 5.2.7.3256 build 20250913
CVE-2025-52426
4.9
0%
Jan 2
QTS, QuTS hero
Affected: 5.2.x before 5.2.7.3256 build 20250913
CVE-2023-50366
4.8
0%
Sep 6
QTS, QuTS hero
Affected: 5.1.x before 5.1.6.2722 build 20240402
CVE-2024-21906
4.7
1%
Sep 6
QTS, QuTS hero
Affected: 5.1.x before 5.1.8.2823 build 20240712
CVE-2024-21903
4.7
1%
Sep 6
QTS, QuTS hero
Affected: 5.1.x before 5.1.6.2722 build 20240402
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