CVE-2018-11426: Moxa Oncell g3150-Hspa-T Firmware

Critical severity, CVSS 9.8. EPSS: 1.8% chance of exploitation in the next 30 days.

A weak Cookie parameter is used in the web application of Moxa OnCell G3100-HSPA Series version 1.4 Build 16062919 and prior. An attacker can brute force parameters required to bypass authentication and access the web interface to use all its functions except for password change.

Affected products

  • Moxa Oncell g3150-Hspa-T Firmware: up to and including 1.4
  • Moxa Oncell g3150-Hspa Firmware: up to and including 1.4

Published 2019-07-03. Last modified 2026-06-17.