Pnetlab 5.3.11

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

The installation and configuration process for PNetLab 5.3.11 may involve: Pnetlab 5.3.11

• Back up your labs and images before updating
• If you’re on 5.3.x, you can update via the web UI or CLI
• Fresh install ISO available on the official PnetLab website

While 5.3.11 focuses heavily on stability and performance, it refines the core features that make PNetLab a favorite over platforms like EVE-NG or Cisco Modeling Labs (CML): PNETLab version 5

5. Console Fixes

• HTML5 console now supports Ctrl+Shift+V (paste) across all major browsers.
• Fixed the "stuck CRTL" key bug in the native telnet client.