RCE in Edimax Ew-7438rpn
CVE-2026-9343
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.031 (87.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.031 · change: +0.016
Affected products
- Edimax Ew-7438rpn — versions 1.0, 1.1, 1.2
Weakness classification (CWE)
References
- vuldb.com/vuln/365306 (technical-description, vdb-entry)
- vuldb.com/vuln/365306/cti (signature, permissions-required)
- vuldb.com/submit/813884 (third-party-advisory)
- vuldb.com/submit/811551 (third-party-advisory)
- github.com/wudipjq/my_vuln/blob/main/Edimax/vuln_1/1.md (exploit)
Frequently asked questions
- What is CVE-2026-9343?
- CVE-2026-9343 is a medium-severity vulnerability in Edimax Ew-7438rpn, classified under Command Injection. CVSS score: 6.3/10. Published 2026-05-23.
- How severe is CVE-2026-9343?
- Medium severity. CVSS v3 base score is 6.3 out of 10.