CVE-2021-27137 PoC — DD-WRT 缓冲区错误漏洞

Source

https://github.com/Threekiii/Awesome-POC/blob/master/%E7%BD%91%E7%BB%9C%E8%AE%BE%E5%A4%87%E6%BC%8F%E6%B4%9E/DD-WRT%20UPNP%E7%BC%93%E5%86%B2%E5%8C%BA%E6%BA%A2%E5%87%BA%E6%BC%8F%E6%B4%9E%20CVE-2021-27137.md

Associated Vulnerability

Title: DD-WRT 缓冲区错误漏洞 (CVE-2021-27137)
Description:An issue was discovered in router/upnp/src/ssdp.c in DD-WRT before 45724. An unsafe strcpy in the UPnP handling functionality allows an unauthenticated remote attacker to send a request that would overflow an internal fixed buffer. Exploitation requires the DD-WRT user to enable UPnP (which is off by default, and only listens on internal interfaces by default). This occurs in ssdp_msearch (reachable by an M-SEARCH request).

File Snapshot

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