RCE in Edimax Br-6428nc
CVE-2026-7683
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.
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: 0.021 (80.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.8% 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: 0.021 · change: +0.005
Affected products
- Edimax Br-6428nc — versions 1.0, 1.1, 1.2
Weakness classification (CWE)
References
- vuldb.com/vuln/360842 (technical-description, vdb-entry)
- vuldb.com/vuln/360842/cti (signature, permissions-required)
- vuldb.com/submit/801597 (third-party-advisory)
- vuldb.com/submit/801598 (third-party-advisory)
- tzh00203.notion.site/Edimax-BR-6428nC-v1-16-setWAN-pppUserName-Command-Injectio… (related)
- tzh00203.notion.site/Edimax-BR-6428nC-v1-16-setWAN-pptpUserName-Command-Injecti… (exploit)
Frequently asked questions
- What is CVE-2026-7683?
- CVE-2026-7683 is a medium-severity vulnerability in Edimax Br-6428nc, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-05-03.
- How severe is CVE-2026-7683?
- Medium severity. CVSS v3 base score is 6.3 out of 10.