Description
Multiple stack-based buffer overflows in TP-Link WR940N WiFi routers with hardware version 4 allow remote authenticated users to execute arbitrary code via the (1) ping_addr parameter to PingIframeRpm.htm or (2) dnsserver2 parameter to WanStaticIpV6CfgRpm.htm.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 2
- TP-Link WDR4300 - Remote Code Execution (Authenticated) EDB-48994 · remote · Nov 5, 2020
- TP-Link WR940N - (Authenticated) Remote Code EDB-43022 · webapps · Oct 17, 2017
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.