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LJP (@ljp_tw) and YingMuo (@YingMuo), working with DEVCORE Internship ProgramZDI-24-085HistoryFeb 05, 2024 - 12:00 a.m.
(Pwn2Own) TP-Link Omada ER605 DHCPv6 Client Options Stack-based Buffer Overflow Remote Code Execution Vulnerability
2024-02-0500:00:00
LJP (@ljp_tw) and YingMuo (@YingMuo), working with DEVCORE Internship Program
www.zerodayinitiative.com
21
tp-link omada
er605
dhcpv6
buffer overflow
remote code execution
vulnerability
network-adjacent attackers
authentication
validation
user-supplied data
root access
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link Omada ER605 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of DHCP options. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root.
