What is CVE-2026-12809?

CVE-2026-12809 is a medium-severity vulnerability in Edimax Br-6478ac V2, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-06-21.

How severe is CVE-2026-12809?

Medium severity. CVSS v3 base score is 6.3 out of 10.

RCE in Edimax Br-6478ac V2

CVE-2026-12809

A vulnerability was identified in Edimax BR-6478AC V2 1.23. Affected is the function wiz_5in1_redirect of the file /goform/wiz_5in1_redirect of the component POST Request Handler. Such manipulation of the argument newpass leads to command…

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.

Affected products

Edimax Br-6478ac V2 — versions 1.23

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (exploit)

Frequently asked questions

What is CVE-2026-12809?: CVE-2026-12809 is a medium-severity vulnerability in Edimax Br-6478ac V2, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-06-21.
How severe is CVE-2026-12809?: Medium severity. CVSS v3 base score is 6.3 out of 10.