Wireshark 4.0.4 Final | Portable Apr 2026

The portable edition is uniquely suited for professional network administrators and security analysts:

This version addresses specific vulnerabilities, such as a dissector crash in ISO 15765 and ISO 10681 (wnpa-sec-2023-08), which could otherwise lead to denial-of-service via crafted packets. Wireshark 4.0.4 Final | Portable

The default layout now places the Packet Detail and Packet Bytes panes side-by-side , optimizing for modern wide-screen displays. The portable edition is uniquely suited for professional

Wireshark 4.0.4 "Portable" is a maintenance release of the world’s foremost open-source network protocol analyzer, designed specifically for versatility and "no-trace" forensics. By running directly from a USB drive or external storage, it bypasses the need for a standard system installation, making it an indispensable asset for on-site troubleshooting and secure environment analysis. The Core of Version 4.0.4 Wireshark 4.0.4 Final | Portable