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Team FLASHBACK: Pedro Ribeiro (@pedrib1337 | [email protected]) + Radek Domanski (@RabbitPro)ZDI-21-214HistoryFeb 24, 2021 - 12:00 a.m.
TP-Link Archer A7 Protection Mechanism Failure Firewall Bypass Vulnerability
2021-02-2400:00:00
Team FLASHBACK: Pedro Ribeiro (@pedrib1337 | [email protected]) + Radek Domanski (@RabbitPro)
www.zerodayinitiative.com
20
tp-link archer a7
firewall bypass
ipv6 connections
authentication
vulnerability
ssh connections
root access
EPSS
0.005
Percentile
77.2%
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.
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