VULNERABILITY INTELLIGENCE

CVE-2026-3227

CVSS score6.8 MEDIUM
EPSS probability1.92%
CISA KEVNot currently listed
Published2026-03-16
Last modified2026-07-01
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • f23511db-6c3e-4e32-a477-6aa17d310630: CWE-78

Primary references