CVE-2026-26791

Command Injection in GL-iNet GL-AR300M16 Firmware 4.3.11 via enable_echo_server

Published Mar 12, 2026 CVSS 3.1 · 9.8 Critical EPSS 2.9% KEV · Not listed
Description
GL-iNet GL-AR300M16 v4.3.11 was discovered to contain a command injection vulnerability via the string port parameter in the enable_echo_server function. This vulnerability allows attackers to execute arbitrary commands via a crafted input.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Command Injection in GL-iNet GL-AR300M16 Firmware 4.3.11 via enable_echo_server
Type Values Removed Values Added
Title Command Injection in GL-AR300M16 Firmware 4.3.11
Type Values Removed Values Added
Title Command Injection in GL-AR300M16 Firmware 4.3.11
Type Values Removed Values Added
Title Command Injection Vulnerability in GL‑iNet GL‑AR300M16 v4.3.11
Type Values Removed Values Added
Title Command Injection Vulnerability in GL‑iNet GL‑AR300M16 v4.3.11
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Gl-inet ar300m16
Gl-inet ar300m16 Firmware
Weaknesses CWE-77
CPEs cpe:2.3:h:gl-inet:ar300m16:-:*:*:*:*:*:*:*
cpe:2.3:o:gl-inet:ar300m16_firmware:4.3.11:*:*:*:*:*:*:*
Vendors & Products Gl-inet ar300m16
Gl-inet ar300m16 Firmware
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Gl-inet
Gl-inet gl-ar300m16
Vendors & Products Gl-inet
Gl-inet gl-ar300m16
Type Values Removed Values Added
Description GL-iNet GL-AR300M16 v4.3.11 was discovered to contain a command injection vulnerability via the string port parameter in the enable_echo_server function. This vulnerability allows attackers to execute arbitrary commands via a crafted input.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Mar 14, 2026, 3:23 AM
Reserved
Feb 16, 2026, 12:00 AM
Status
Modified
Published
Mar 12, 2026, 6:16 PM
Modified
Jun 17, 2026, 10:26 AM