Critical Vulnerability Found in RADIUS Protocol Used in Global Networks

The Blast-RADIUS attack exploits an MD5-based flaw, affecting numerous devices and requiring urgent security updates.

Researchers discovered a vulnerability in the RADIUS protocol, rated 7.5 on the CVSS scale.
The flaw allows attackers to bypass authentication via man-in-the-middle attacks using MD5 collision techniques.
Affected devices include routers, switches, and industrial controllers across various sectors.
Vendors have released patches and recommend upgrading to RADIUS over TLS for better security.
The attack requires partial network access and sophisticated methods, making it challenging but feasible for well-resourced adversaries.