CVE-2026-9343: edimax ew-7438rpn Command Injection

Vulnerability summary

CVE-2026-9343 is a medium (CVSS 6.5) Command Injection vulnerability in edimax ew-7438rpn. EPSS estimates a 3.12% chance of exploitation in the next 30 days, higher than 87.7% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 23-05-2026
   PublishedVulnerability first disclosed.
2. 26-05-2026
   Last modifiedVulnerability information updated.

Description

A weakness has been identified in Edimax EW-7438RPn up to 1.31. The affected element is the function formWpsStart of the file /goform/formWpsStart of the component webs. This manipulation of the argument pinCode causes os command injection. Remote exploitation of the attack is possible. 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-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.
• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.