# On Pnetlab host sudo brctl addbr br-cloud sudo brctl addif br-cloud eth0 # Then in lab, connect cloud node to your router’s interface.
PNETLab version 5.3.11 features multiple critical vulnerabilities identified in 2024 and 2025, including command injection (CVE-2025-63749), open redirect (CVE-2024-51112), and cross-site scripting (CVE-2024-51111). Security advisories recommend migrating from this version to a patched release to mitigate these risks. Detailed vulnerability reports are available on the NVD website National Institute of Standards and Technology (.gov) CVE-2025-63749 - NVD Pnetlab 5.3.11