CVE-2026-3227
MEDIUM6.8CVSS v3
—CVSS v2
0.55%
EPSS (exploit probability)
CWE-78CWE
Description
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.
CVSS v3 vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected routers (1)
| Vendor | Model | Matched via | Affected versions | Fixed in | Patch? |
|---|---|---|---|---|---|
| TP-Link | TP-Link TL-WR841N | — |
— | — | No |