CVE-2026-12807
MediumCVSS 6.3Exploitation Probability (EPSS)
Elevated risk64th percentile — higher than 64% of all known CVEs
Summary
A vulnerability was found in Edimax BR-6478AC V2 1.23 affecting the setWAN function in the /goform/setWAN file. Manipulation of the pppUserName/pptpUserName/L2TPUserName arguments results in command injection.
Risk Assessment
An attacker can remotely exploit this vulnerability, posing a serious threat to the security of the device and the network.
Recommendation
It is recommended to update the device firmware to the latest version to mitigate this vulnerability and to monitor network traffic for potential attacks.
Original NVD description (English source)
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.

