VULNERABILITY INTELLIGENCE
CVE-2025-34047
EPSS probability0.55%
CISA KEVNot currently listed
Published2025-06-26
Last modified2026-06-17
Description
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.
Weakness classification
- disclosure@vulncheck.com: CWE-20