CVE-2026-19348 – Shenzhen Aitemi M300 Wi-Fi Repeater protocol.csp sprintf command injection

​CVE ID :CVE-2026-19348

Published : Aug. 9, 2026, 11:16 a.m. | 8 hours, 46 minutes ago

Description :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.

Severity: 10.0 | HIGH

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