CVE-2026-91191 is listed by Lantronix G520 Series Cellular Gateway.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Sep 29, 2026 · CISA ICS Advisories

   Detected

   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) <table class="tablesaw tablesaw-stack" data-tablesaw-mode="stack" data-tablesaw-minima

Sources

• CISA ICS AdvisoriesGovernment advisoryCVE-2026-91191

  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-2026-84

  cisa.gov