CVE-2023-31447

Summary

CVE-2023-31447 is a critical vulnerability affecting user_login.cgi on Draytek Vigor2620 devices prior to version 3.9.8.4, and all versions of Vigor2925 devices. This issue enables attackers to send specially crafted payloads, allowing them to modify the code segment and insert shellcode. Ultimately, attackers can execute arbitrary code on affected devices, posing a significant risk to network security. It is recommended that users update their devices to the latest available version to mitigate this vulnerability.

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