CVE-2026-26791

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-03-12 · updated 2026-06-17
Weakness: CWE-77

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.

Affected products

GL-iNet Ar300M16 Firmware: 4.3.11

References

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

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