CVE-2026-19982CWE-77CWE-78command-injection

CVE-2026-19982

High · published August 17, 2026

CVSS v3.1
7.4
EPSS
2%
Percentile
77.9
In the wild
Unconfirmed
What it is

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."

The record
Technical detail
CVSS v3.1
7.4 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
CVSS v4.0
5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:X
EPSS
0.01768 · 77.9th percentile
Weaknesses
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection'); CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-08-17T09:17Z
References (5)
https://github.com/gl-inet/CVE-issues/blob/main/4.0.0/Firewall%20Cleanup%20RCE.md · [email protected]https://vuldb.com/cve/CVE-2026-19982 · [email protected]https://vuldb.com/submit/873918 · [email protected]https://vuldb.com/vuln/391164 · [email protected]https://vuldb.com/vuln/391164/cti · [email protected]
EPSS history
Timeline
  • 17 AUG 04:15Z
    GL.iNet BE9300/MT6000 Firewall-management RPC os command injection
    cvelistv5