PT-2026-25024 · Gl.Inet · Ar300M16 Firmware

Sezangel · Published 2026-03-12 · Updated 2026-03-13 · CVE-2026-26791

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions GL-iNet GL-AR300M16 version 4.3.11

Description The GL-iNet GL-AR300M16 device version 4.3.11 contains a command injection issue. This allows attackers to execute arbitrary commands through a crafted input via the port parameter within the enable echo server function.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

CVE-2026-26791

Affected Products

Ar300M16 Firmware

References · 5

• 🔥 https://github.com/sezangel/IOT-vul/tree/main/GL-iNet/GL-AR300M16/enable_echo_server · Exploit
• https://osv.dev/vulnerability/CVE-2026-26791 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-26791 · Security Note
• https://twitter.com/TheHackerWire/status/2032532273757868064 · Twitter Post
• https://twitter.com/CVEnew/status/2032410985840193690 · Twitter Post