CVE-2025-34047 — Leadsec VPN Path Traversal Arbitrary File Read
A path traversal vulnerability exists in the Leadsec SSL VPN (formerly Lenovo NetGuard), allowing unauthenticated attackers to read arbitrary files on the underlying system via …
Published: 2025-06-26 · CVSS: 8.7 · CVSS 4.0
A path traversal vulnerability exists in the Leadsec SSL VPN (formerly Lenovo NetGuard), allowing unauthenticated attackers to read arbitrary files on the underlying system via the ostype parameter in the /vpn/user/download/client endpoint. This flaw arises from insufficient input sanitation, enabling traversal sequences to escape the intended directory and access sensitive files. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-05 UTC.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7