CVE-2026-3227
Medium · 6.8CVSS
6.8
EPSS
1.9%
Published
Mar 16, 2026
CISA due date
—
The record
A command injection vulnerability was identified in TP-Link TL-WR802N v4, TL-WR841N v14, and TL-WR840N v6 due to improper neutralization of special elements used in an OS command. In the router configuration import function allows an authenticated attacker to upload a crafted configuration file that results in execution of OS commands with root privileges during port-trigger processing. Successful exploitation allows an authenticated attacker to execute system commands with root privileges, leading to full device compromise.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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