Is CVE-2026-12807 actively exploited?

No active exploitation of CVE-2026-12807 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-12807 be exploited remotely?

Yes. CVE-2026-12807 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-12807?

CVE-2026-12807 has a CVSS score of 6.3 (MEDIUM).

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MEDIUM

CVE-2026-12807

CWE-74Published: June 21, 2026· Updated: Jun 22, 2026

6.3

CVSS v3.1

EPSS:1.18%probability of exploitation in 30 daysPercentile:63.7th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-12807 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.