CVE-2026-26792

Severity CVSS v4.0:

Pending analysis

Type:

CWE-77 Command Injection

Publication date:

12/03/2026

Last modified:

16/03/2026

Description

GL-iNet GL-AR300M16 v4.3.11 was discovered to contain multiple command injection vulnerabilities in the set_upgrade function via the modem_url, target_version, current_version, firmware_upload, hash_type, hash_value, and upgrade_type parameters. These vulnerabilities allow attackers to execute arbitrary commands via a crafted input.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

9.80

Severity 3.x

CRITICAL

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:gl-inet:ar300m16_firmware:4.3.11:::::::*
cpe:2.3:h:gl-inet:ar300m16:-:::::::*

To consult the complete list of CPE names with products and versions, see this page

References to Advisories, Solutions, and Tools

https://github.com/sezangel/IOT-vul/tree/main/GL-iNet/GL-AR300M16/set_upgrade