D-Link DIR-513 version 1.10 contains a critical-level vulnerability. When processing POST requests related to verification codes in /goform/formLogin, it enters /goform/getAuthCode but fails to filter the value of the FILECODE parameter, resulting in a path traversal vulnerability.
https://www.dlink.com/en/security-bulletin/
https://www.dlink.com.cn/techsupport/ProductInfo.aspx?m=DIR-513
https://github.com/akuma-QAQ/CVEreport/tree/main/D-link/CVE-2025-70231