TP-Link Archer A7 Protection Mechanism Failure Firewall Bypass Vulnerability
February 24th, 2021
Vulnerability Details
This vulnerability allows a firewall bypass on affected installations of TP-Link Archer A7 AC1750 routers. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the handling of IPv6 connections. The issue results from the lack of proper filtering of IPv6 SSH connections. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root.
Additional Details
Fixed in V5
Disclosure Timeline
- 2020-11-06 - Vulnerability reported to vendor
- 2021-02-24 - Coordinated public release of advisory
- 2021-03-19 - Advisory Updated
Credit
Team FLASHBACK: Pedro Ribeiro (@pedrib1337 | pedrib@gmail.com) + Radek Domanski (@RabbitPro)
