An issue was discovered in Lantronix EDS5000 2.1.0.0R3. An authenticated attacker can inject OS commands into the "tunnel" parameter when killing a tunnel connection. Injected commands are executed with root privileges.
https://www.cisa.gov/news-events/ics-advisories/icsa-26-069-02
https://thehackernews.com/2026/04/22-bridgebreak-flaws-expose-20000.html
http://lantronix.com
http://eds5000.com
Source: Mitre, NVD
Published: 2026-03-11
Updated: 2026-03-19
Named Vulnerability: BRIDGE:BREAK
Base Score: 9
Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C
Severity: High
Base Score: 8.8
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.00017