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CVE-2026-3227

MEDIUM CVSS: 6.8 Published: 2026-03-16 Modified: 2026-07-01

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.

Affected Platforms

Tp-Link Tl-Wr841NTp-Link Tl-Wr802N FirmwareTp-Link Tl-Wr840N FirmwareTp-Link Tl-Wr802NTp-Link Tl-Wr841N FirmwareTp-Link Tl-Wr840N

Weakness Type

CWE-78

References