A missing authentication check in the HTTP server on TP-Link Archer NX200, NX210, NX500 and NX600 to certain cgi endpoints allows unauthenticated access intended for authenticated users. An attacker may perform privileged HTTP actions without authentication, including firmware upload and configuration operations.
Attack Parameters
Attack Vector
Adjacent
Requires local network access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
References 5
https://www.tp-link.com/en/support/download/archer-nx200/#Firmware
f23511db-6c3e-4e32-a477-6aa17d310630
https://www.tp-link.com/en/support/download/archer-nx210/#Firmware
f23511db-6c3e-4e32-a477-6aa17d310630
https://www.tp-link.com/en/support/download/archer-nx500/#Firmware
f23511db-6c3e-4e32-a477-6aa17d310630
https://www.tp-link.com/en/support/download/archer-nx600/#Firmware
f23511db-6c3e-4e32-a477-6aa17d310630
https://www.tp-link.com/us/support/faq/5027/
f23511db-6c3e-4e32-a477-6aa17d310630