
Vulnerabilities
Critical CVE-2026-109439 Lets Attackers Rewrite Lantronix XPress-DR Configs
Unauthenticated UDP flaws in end-of-life Lantronix firmware allow remote attackers to read and permanently overwrite device settings without credentials.
Everything Circuit Observer has reported about end-of-life: 2 stories, newest first. Part of our Tech News coverage.

Unauthenticated UDP flaws in end-of-life Lantronix firmware allow remote attackers to read and permanently overwrite device settings without credentials.

Unsupported hardware bypasses software defenses by exposing low-level execution paths that vendors no longer patch or monitor.