CVE-2025-34047 | Beijing NetGuard Nebula Information Leadsec SSL VPN client ostype path traversal (CNVD-2021-64035)

A vulnerability, which was classified as critical, was found in Beijing NetGuard Nebula Information Leadsec SSL VPN. Affected is an unknown function of the file /vpn/user/download/client. The manipulation of the argument ostype leads to path traversal.

This vulnerability is traded as CVE-2025-34047. It is possible to launch the attack remotely. There is no exploit available.