CVE-2026-7683: edimax br-6428nc Injection

Vulnerability summary

CVE-2026-7683 is a medium (CVSS 6.5) Injection vulnerability in edimax br-6428nc. EPSS estimates a 3.20% chance of exploitation in the next 30 days, higher than 88% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 03-05-2026
   PublishedVulnerability first disclosed.
2. 04-05-2026
   Last modifiedVulnerability information updated.

Description

A weakness has been identified in Edimax BR-6428nC up to 1.16. This affects an unknown function of the file /goform/setWAN of the component Web Interface. This manipulation of the argument pppUserName/pptpUserName causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. 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.