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CVE-2021-47816

Thecus N4800Eco Nas Server Control Panel - Command Injection

Published: Jan 16, 2026Updated: Jan 26, 2026 Sources: CVE List NVDCWE-78
8.8HIGH
NVD MITRE
EPSS Score
1.6%
Top 26.3%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
No Fix Available
Self-Check
Not available

Description

Thecus N4800Eco NAS Server Control Panel contains a command injection vulnerability that allows authenticated attackers to execute arbitrary system commands through user management endpoints. Attackers can inject commands via username and batch user creation parameters to execute shell commands with administrative privileges.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-78

Affected Products

Thecus
commercialaka n4800eco firmware, n8800 nas server
Thecus N4800Eco Nas Server Control PanelEmbedded
Hardware Firmware / storage-nas

Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Execution
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References

http://www.thecus.com/
thecus.com
http://www.thecus.com/product.php?PROD_ID=83
thecus.com
https://docs.unsafe-inline.com/0day/thecus-n4800eco-nas-server-control-panel-comand-injection
docs.unsafe-inline.com
and 2 more references View all →

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