Lantronix G520 Series Cellular Gateway

View CSAF Summary Successful exploitation of these vulnerabilities could allow an attacker to replace software and execute arbitrary code with root privileges. The following versions of Lantronix G520 Series Cellular Gateway are affected: G520 Series 2.6.0.4R6_stable (CVE-2026-84409, CVE-2026-91191) CVSS Vendor Equipment Vulnerabilities v3 7.5 Lantronix Lantronix G520 Series Cellular Gateway Improper Neutralization of Input During Web Page Generation (‘Cross-site Scripting’), Improper Verification of Cryptographic Signature Background Critical Infrastructure Sectors: Transportation Systems, En