CVE-2026-26791

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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/sezangel/IOT-vul/tree/main/GL-iNet/GL-AR300M16/enable_echo_server	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:gl-inet:ar300m16_firmware:4.3.11:*:*:*:*:*:*:*

cpe:2.3:h:gl-inet:ar300m16:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-03-12 18:16

Updated : 2026-03-16 14:18

NVD link : CVE-2026-26791

Mitre link : CVE-2026-26791

CVE.ORG link : CVE-2026-26791

JSON object : View

Products Affected

gl-inet

ar300m16_firmware
ar300m16

CWE

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

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