What is CVE-2026-26794?

CVE-2026-26794 is a high-severity vulnerability in Gl-Inet Ar300m16, classified under SQL Injection. CVSS score: 8.8/10. Published 2026-03-12.

How severe is CVE-2026-26794?

High severity. CVSS v3 base score is 8.8 out of 10.

SQL Injection in Gl-Inet Ar300m16

CVE-2026-26794

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.

Vulnerability class: SQL Injection

Published 2026-03-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (49.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.007 · change: +0.002

Affected products

Gl-Inet Ar300m16
Gl-Inet Ar300m16 Firmware — versions 4.3.11

Weakness classification (CWE)

CWE-89 — SQL Injection

References

github.com/sezangel/IOT-vul/tree/main/GL-iNet/GL-AR300M16/acl--add_group (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2026-26794?: CVE-2026-26794 is a high-severity vulnerability in Gl-Inet Ar300m16, classified under SQL Injection. CVSS score: 8.8/10. Published 2026-03-12.
How severe is CVE-2026-26794?: High severity. CVSS v3 base score is 8.8 out of 10.