CVE-2021-47816

MEDIUM EPSS 73.2%
Published Jan 16, 20265mo ago · Modified Jun 17, 20261w ago
5.3 CVSS 4.0
Medium
Find Similar
Published Jan 16, 2026 5mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
5.3
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
73.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-78 OS Command Injection Injection

References 5

  • thecus.com http://www.thecus.com/
  • thecus.com http://www.thecus.com/product.php?PROD_ID=83
  • docs.unsafe-inline.com https://docs.unsafe-inline.com/0day/thecus-n4800eco-nas-server-control-panel-comand-injection
  • exploit-db.com https://www.exploit-db.com/exploits/49926
  • vulncheck.com https://www.vulncheck.com/advisories/thecus-neco-nas-server-control-panel-command-injection

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.