CVE-2026-19982: Gl.inet BE9300

High severity, CVSS 7.4. EPSS: 1.8% chance of exploitation in the next 30 days.

A security vulnerability has been detected in GL.iNet BE9300 and MT6000 4.8.x. This vulnerability affects unknown code of the component Firewall-management RPC. The manipulation of the argument dest_port/dest_ip leads to os command injection. The attack may be initiated remotely. Upgrading to version 4.9.0 is able to resolve this issue. The affected component should be upgraded. The vendor explains: "After our investigation, we have confirmed that the vulnerability described (...) does indeed exist."

Affected products

• Gl.inet BE9300: from 4.8, before 4.9 (fixed in 4.9)
• Gl.inet MT6000: from 4.8, before 4.9 (fixed in 4.9)

Published 2026-08-17. Last modified 2026-08-20.