CVE-2026-19982

HIGH 7.4

GL.iNet BE9300/MT6000 Firewall-management RPC os command injection

CVSS Score

7.4

EPSS Score

0.0%

EPSS Percentile

0th

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."

CWE	CWE-78 CWE-77
Vendor	gl.inet
Product	be9300
Published	Aug 17, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:X/RL:O/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

GL.iNet / BE9300

4.8.*

GL.iNet / MT6000

4.8.*

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/391164 vuldb.com: https://vuldb.com/vuln/391164/cti vuldb.com: https://vuldb.com/cve/CVE-2026-19982 vuldb.com: https://vuldb.com/submit/873918 github.com: https://github.com/gl-inet/CVE-issues/blob/main/4.0.0/Firewall%20Cleanup%20RCE.md

Credits

🔍 GLiNet (VulDB User) VulDB CNA Team