Vulnerability in Leakingmemory Vtun-Ng

CVE-2025-54870

VTun-ng is a Virtual Tunnel over TCP/IP network. In versions 3.0.17 and below, failure to initialize encryption modules might cause reversion to plaintext due to insufficient error handling. The bug was first introduced in VTun-ng version 3.0.12. This is fixed in version 3.0.18. To workaround this issue, avoid blowfish-256.

EPSS: 0.002 (10.1th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

References