RCE in Edimax Ew-7438rpn
CVE-2026-9363
A vulnerability was detected in Edimax EW-7438RPn 1.12. This issue affects the function formEZCHNwlanSetup of the file /goform/formEZCHNwlanSetu of the component POST Request Handler. Performing a manipulation of the argument method results in command injection. Remote exploitation of the attack is possible. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
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: 0.024 (83.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.024 · change: +0.012
Affected products
- Edimax Ew-7438rpn — versions 1.12
Weakness classification (CWE)
References
- vuldb.com/vuln/365326 (technical-description, vdb-entry)
- vuldb.com/vuln/365326/cti (signature, permissions-required)
- vuldb.com/submit/811554 (third-party-advisory)
- lavender-bicycle-a5a.notion.site/EDIMAX-BR-6675nD-formEZCHNwlanSetup-34b53a4178… (exploit)
Frequently asked questions
- What is CVE-2026-9363?
- CVE-2026-9363 is a medium-severity vulnerability in Edimax Ew-7438rpn, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-05-24.
- How severe is CVE-2026-9363?
- Medium severity. CVSS v3 base score is 6.3 out of 10.