CVE-2026-19348
CriticalCVSS 9.8Summary
A security flaw in Shenzhen Aitemi M300 Wi-Fi Repeater allows command injection via the sprintf function in /protocol.csp. Manipulating enable/name/mac arguments enables remote command execution. The exploit is public.
Risk Assessment
An attacker can remotely take control of the device, potentially compromising network integrity or using the repeater as a foothold for further attacks.
Recommendation
Apply available firmware updates or restrict device access to trusted networks. Monitor logs for suspicious activity.
Original NVD description (English source)
A security flaw has been discovered in Shenzhen Aitemi M300 Wi-Fi Repeater r0-ea7890a. Impacted is the function sprintf of the file /protocol.csp?fname=net&opt=smacfilter_conf&function=set&act=add&name=test&enable=1. Performing a manipulation of the argument enable/name/mac results in command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.