CVE-2026-9400: edimax br-6675nd Injection

Vulnerability summary

CVE-2026-9400 is a medium (CVSS 6.5) Injection vulnerability in edimax br-6675nd. EPSS estimates a 2.38% chance of exploitation in the next 30 days, higher than 83.7% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 24-05-2026
   PublishedVulnerability first disclosed.
2. 27-05-2026
   Last modifiedVulnerability information updated.

Description

A flaw has been found in Edimax BR-6675nD 1.12. This issue affects the function formUSBStorage of the file /goform/formUSBStorage of the component POST Request Handler. Executing a manipulation of the argument sub_dir can lead to command injection. It is possible to launch the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

• CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
• CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.