How severe is CVE-2026-26794?

CVE-2026-26794 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-26794 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-26794?

CVE-2026-26794 affects Gl-inet Ar300m16 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-26794?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-26794 have an EU (EUVD) identifier?

Yes. CVE-2026-26794 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-11625.

When was CVE-2026-26794 published?

CVE-2026-26794 was published on 2026-03-12 and last updated on 2026-06-17.

CVE-2026-26794

CVE-2026-26794 is a high-severity vulnerability in Gl-inet Ar300m16 Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-11625
Weakness: CWE-89
Affected product: Gl-inet Ar300m16 Firmware
Published: 2026-03-12
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-26794?: CVE-2026-26794 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-26794 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-26794?: CVE-2026-26794 affects Gl-inet Ar300m16 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-26794?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-26794 have an EU (EUVD) identifier?: Yes. CVE-2026-26794 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-11625.
When was CVE-2026-26794 published?: CVE-2026-26794 was published on 2026-03-12 and last updated on 2026-06-17.

References

https://github.com/sezangel/IOT-vul/tree/main/GL-iNet/GL-AR300M16/acl--add_group

Affected products (1)

cpe:2.3:o:gl-inet:ar300m16_firmware:4.3.11:*:*:*:*:*:*:*

More vulnerabilities in Gl-inet Ar300m16 Firmware

CVE-2026-26793 — Critical (CVSS 9.8): GL-iNet GL-AR300M16 v4.3.11 was discovered to contain a command injection vulnerability via the set_config function.…
CVE-2026-26795 — Critical (CVSS 9.8): GL-iNet GL-AR300M16 v4.3.11 was discovered to contain a command injection vulnerability via the module parameter in the…
CVE-2026-26792 — Critical (CVSS 9.8): GL-iNet GL-AR300M16 v4.3.11 was discovered to contain multiple command injection vulnerabilities in the set_upgrade…
CVE-2026-26791 — Critical (CVSS 9.8): GL-iNet GL-AR300M16 v4.3.11 was discovered to contain a command injection vulnerability via the string port parameter…
CVE-2024-39227 — Critical (CVSS 9.8): GL-iNet products AR750/AR750S/AR300M/AR300M16/MT300N-V2/B1300/MT1300/SFT1200/X750 v4.3.11,…
CVE-2024-39228 — Critical (CVSS 9.8): GL-iNet products AR750/AR750S/AR300M/AR300M16/MT300N-V2/B1300/MT1300/SFT1200/X750 v4.3.11,…

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