RCE in Edimax Br-6428ns
CVE-2026-8777
A vulnerability was found in Edimax BR-6428NS 1.10. This issue affects the function formStaDrvSetup of the file /goform/formStaDrvSetup of the component POST Request Handler. Performing a manipulation of the argument stadrv_ssid results in command injection. The attack can be initiated remotely. The exploit has been made public and could 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 Br-6428ns — versions 1.10
Weakness classification (CWE)
References
- vuldb.com/vuln/364402 (technical-description, vdb-entry)
- vuldb.com/vuln/364402/cti (signature, permissions-required)
- vuldb.com/submit/811532 (third-party-advisory)
- lavender-bicycle-a5a.notion.site/EDIMAX-BR-6428NS-formStaDrvSetup-34b53a41781f8… (exploit)
Frequently asked questions
- What is CVE-2026-8777?
- CVE-2026-8777 is a medium-severity vulnerability in Edimax Br-6428ns, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-05-18.
- How severe is CVE-2026-8777?
- Medium severity. CVSS v3 base score is 6.3 out of 10.