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Vulnerabilities

Vulnerability · CVE-2026-26793

GL-iNet GL-AR300M16 v4.3.11 was discovered to contain a command injection vulnerability via the set_config function.

Published Mar 12, 2026 · catalog updated Jun 17, 2026 · ar300m16 firmware

Check if you run it

No confirmed exploitation is on record for CVE-2026-26793. EPSS is 3.71%. Act only if a listed version of ar300m16 firmware is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
3.71%
Remediation
Not established
Affected products
cpe gl-inet/ar300m16 firmware

GL-iNet GL-AR300M16 v4.3.11 was discovered to contain a command injection vulnerability via the set_config function. This vulnerability allows attackers to execute arbitrary commands via a crafted input.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe gl-inet/ar300m16 firmware4.3.11

How to fix CVE-2026-26793

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-26793. EPSS is 3.71%. Act only if a listed version of ar300m16 firmware is installed.

Which versions are affected?

Compare what you have installed with gl-inet/ar300m16 firmware 4.3.11. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-77: Command Injection. EPSS 3.71%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 12, 2026 · NIST NVD

    Detected

    GL-iNet GL-AR300M16 v4.3.11 was discovered to contain a command injection vulnerability via the set_config function. This vulnerability allows attackers to execute arbitrary commands via a crafted input.

  2. Jun 17, 2026 · NIST NVD

    Updated

    GL-iNet GL-AR300M16 v4.3.11 was discovered to contain a command injection vulnerability via the set_config function. This vulnerability allows attackers to execute arbitrary commands via a crafted input.

Sources

  • CVE.orgVulnerability recordCVE-2026-26793

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-26793

    30-day exploitation probability 3.7%

    first.org
  • NIST NVDVulnerability recordCVE-2026-26793

    GL-iNet GL-AR300M16 v4.3.11 was discovered to contain a command injection vulnerability via the set_config function. This vulnerability allows attackers to execute arbitrary commands via a crafted input.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.