CVE-2026-3227 | BDVDB-2026-320320 Detail
TP-LinkTL-WR802N v4
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.
Impact#
CAPEC-88 OS Command Injection
Weaknesses#
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References#
- https://www.tp-link.com/en/support/download/tl-wr802n/v4/#Firmware
- https://www.tp-link.com/us/support/download/tl-wr802n/v4/#Firmware
- https://www.tp-link.com/en/support/download/tl-wr841n/v14/#Firmware
- https://www.tp-link.com/us/support/download/tl-wr841n/v14/#Firmware
- https://www.tp-link.com/en/support/download/tl-wr840n/v6/#Firmware
- https://www.tp-link.com/us/support/faq/5018/
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.