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 parameters. These vulnerabilities allow attackers to execute arbitrary commands via a crafted input.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.041 (90.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.028 · newest: 0.041 · change: +0.014
Affected products
- Gl-Inet Ar300m16
- Gl-Inet Ar300m16 Firmware — versions 4.3.11
Weakness classification (CWE)
References
- github.com/sezangel/IOT-vul/tree/main/GL-iNet/GL-AR300M16/set_upgrade (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.