CVE-2026-26794: Gl-Inet AR300M16 Firmware

High severity, CVSS 8.8. EPSS: 0.7% chance of exploitation in the next 30 days.

GL-iNet GL-AR300M16 v4.3.11 was discovered to contain a SQL injection vulnerability via the add_group() function. This vulnerability allows attackers to execute arbitrary SQL database operations via a crafted HTTP request.

Affected products

• Gl-Inet AR300M16 Firmware: version 4.3.11 only

Published 2026-03-12. Last modified 2026-06-17.