What is CVE-2026-12807?

CVE-2026-12807 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-2026-12807?

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

RCE in Edimax Br-6478ac V2

CVE-2026-12807

A vulnerability was found in Edimax BR-6478AC V2 1.23. This affects the function setWAN of the file /goform/setWAN of the component POST Request Handler. The manipulation of the argument pppUserName/pptpUserName/L2TPUserName results in com…

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-2026-12807?: CVE-2026-12807 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-2026-12807?: Medium severity. CVSS v3 base score is 6.3 out of 10.