CVE-2026-19982

MEDIUM CVSS 4.0: 5.3 EPSS 1.05%
Updated Aug 20, 2026
Parameter Value
CVSS 5.3 (MEDIUM)
Type CWE-77 (Command Injection), CWE-78 (OS Command Injection)
Public PoC No

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."

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v4.0