PT-2026-51254 · Edimax · Br-6478Ac V2

Yhryhryhr_Tu · Published 2026-06-21 · Updated 2026-06-21 · CVE-2026-12807

Mitre

CVSS v3.1

6.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

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 command injection. It is possible to launch the attack 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.

Exploit

Fix

Special Elements Injection

Command Injection

Weakness Enumeration

CWE-74

CWE-77

Related Identifiers

CVE-2026-12807

Affected Products

Br-6478Ac V2

References · 6

• 🔥 https://lavender-bicycle-a5a.notion.site/EDIMAX-BR6478ACV2-setWAN-34b53a41781f80b98c4be24d8cae61b1?source=copy_link · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-12807 · Security Note
• https://vuldb.com/vuln/372601 · Note
• https://vuldb.com/vuln/372601/cti · Note
• https://vuldb.com/submit/836669 · Note
• https://vuldb.com/cve/CVE-2026-12807 · Note