Is this vulnerability remotely exploitable?

It can be, if the router's web management interface is exposed to the internet or an attacker-controlled network segment. If the interface is restricted to a local or VPN-only network, then the attacker must first gain access to that network.

Does an attacker need to be authenticated to exploit this?

That depends on how the vulnerable endpoint is protected. If add_group() is behind an authenticated admin session, the attacker would need valid credentials or another way to hijack a session. If misconfiguration or design exposes it without strong authentication, unauthenticated exploitation may be possible.

What is the safest general fix pattern?

Refactor the database access in add_group() to use parameterized queries or prepared statements exclusively, and ensure that all user-controlled values are bound parameters rather than being concatenated into SQL strings. Combine this with strict server-side validation of group-related inputs.

Severity:

HIGH RISK

(8.8)

SQL Injection (CWE-89) in GL-iNet GL-AR300M16 add_group() Function

CVE-2026-26794

Published:

Mar 12, 2026

Status:

Modified

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

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May 6, 2026

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HIGH RISK

HIGH

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Privilege Escalation via Bypassed Access Control

May 6, 2026

Vulnerability Type

Category:

SQL Injection

CWE:

CWE-89

Impact:

Arbitrary SQL Query Execution and Data Compromise

Severity:

HIGH RISK

(8.8)

CVSS Version:

3.1

Vulnerability Type

Category:

SQL Injection

CWE:

CWE-89

Impact:

Arbitrary SQL Query Execution and Data Compromise

Severity:

HIGH RISK

(8.8)

CVSS Version:

3.1

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SQL Injection (CWE-89) in GL-iNet GL-AR300M16 add_group() Function

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(8.6)

Server-Side Request Forgery (CWE-918) in OpenClaw Zalo Plugin sendPhoto

HIGH RISK

HIGH

(8.8)

Authorization Bypass (CWE-863) in OpenClaw Matrix Room Control Commands

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

Ship clean & secure code faster

Ship clean & secure code faster

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