Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in I-O DATA network attached hard disk 'HDL-T Series' firmware Ver.1.21 and earlier when 'Remote Link3 function' is enabled
Published May 15, 2025
9.3
CRITICALCVSS 4.0
EPSS 1.65%
Description
Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in I-O DATA network attached hard disk 'HDL-T Series' firmware Ver.1.21 and earlier when 'Remote Link3 function' is enabled. If exploited, a remote unauthenticated attacker may execute an arbitrary OS command.
Affected products
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- Version Ver.1.21 and earlierStatusaffectedConstraints-
- Version
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- Version Ver.1.21 and earlierStatusaffectedConstraints-
- Version
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- Version Ver.1.21 and earlierStatusaffectedConstraints-
- Version
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- Version Ver.1.21 and earlierStatusaffectedConstraints-
- Version
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- Version Ver.1.21 and earlierStatusaffectedConstraints-
- Version
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- Version Ver.1.21 and earlierStatusaffectedConstraints-
- Version
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- Version Ver.1.21 and earlierStatusaffectedConstraints-
- Version
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- Version Ver.1.21 and earlierStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| I-O Data Device, Inc. | Hdl-T1nv | n/a |
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| I-O Data Device, Inc. | Hdl-T1wh | n/a |
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| I-O Data Device, Inc. | Hdl-T2nv | n/a |
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| I-O Data Device, Inc. | Hdl-T2wh | n/a |
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| I-O Data Device, Inc. | Hdl-T3nv | n/a |
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| I-O Data Device, Inc. | Hdl-T3wh | n/a |
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| I-O Data Device, Inc. | Hdl-Tc1 | n/a |
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| I-O Data Device, Inc. | Hdl-Tc500 | n/a |
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No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
1 other source (NVD) ▾
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
TotalDecision
n/aAssessed May 15, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2025–2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.65% (0.01655) | 75.72th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.70% (0.01705) | 74.22th | v5 (v2026.06.15) |
| May 15, 2025 | 0.44% (0.00441) | 62.08th | v4 (v2025.03.14) |
References (2)
Change history (0)
No recorded changes yet.