CVE-2026-19348
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductShenzhen Aitemi M300 Wi-fi Repeater
PublishedAug 9, 2026
First seenAug 9, 2026
Weakness typeCWE-77Command injectionCWE-74Injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| shenzhen_aitemi m300_wi-fi_repeater | r0-ea7890a | — |
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