22 BRIDGE:BREAK Flaws Expose Thousands of Lantronix and Silex Serial-to-IP Converters

22 BRIDGE:BREAK Flaws Expose Thousands of Lantronix and Silex Serial-to-IP Converters — Ravie LakshmananApr 21, 2026Network Security / Vulnerability [https:

22-bridgebreak-flaws-expose-thousands-of-lantronix-and-silex-serial-to-ip-conver

What’s new: Researchers have identified 22 vulnerabilities in Lantronix and Silex serial-to-IP converters, collectively named BRIDGE:BREAK. These flaws could allow attackers to hijack devices and tamper with data. Approximately 20,000 devices are exposed online, with vulnerabilities including remote code execution, denial-of-service, and authentication bypass.

Who’s affected

Vulnerable models include Lantronix EDS3000PS Series, EDS5000 Series, and Silex SD330-AC. Specific CVE IDs include CVE-2026-32955, CVE-2026-32956, CVE-2026-32961, among others.

What to do

  • Apply security updates provided by Lantronix and Silex.
  • Replace default credentials and avoid weak passwords.
  • Segment networks to limit access to vulnerable devices.
  • Avoid exposing these devices to the internet.

Sources