What is CVE-2026-26792?

CVE-2026-26792 is a critical-severity vulnerability in Gl-inet Ar300m16, classified under Command Injection. CVSS score: 9.8/10. Published 2026-03-12.

How severe is CVE-2026-26792?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Gl-inet Ar300m16

CVE-2026-26792

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 param…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.028 (84.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Gl-inet Ar300m16
Gl-inet Ar300m16_firmware — versions 4.3.11
N/a — versions n/a

Weakness classification (CWE)

CWE-77 — Command Injection

References

cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2026-26792?: CVE-2026-26792 is a critical-severity vulnerability in Gl-inet Ar300m16, classified under Command Injection. CVSS score: 9.8/10. Published 2026-03-12.
How severe is CVE-2026-26792?: Critical severity. CVSS v3 base score is 9.8 out of 10.