CVE-2026-26791
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductGl-inet Ar300m16 Firmware
PublishedMar 12, 2026
First seenMar 12, 2026
Weakness typeCWE-77Command injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| gl-inet ar300m16_firmware | 4.3.11 | — |
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