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.

References

https://vuldb.com/vuln/387184/cti

https://vuldb.com/vuln/387184

https://vuldb.com/submit/865684

https://vuldb.com/submit/865683

https://vuldb.com/submit/865682

https://vuldb.com/cve/CVE-2026-19348

https://github.com/IEATASICS/m300-repeater-bugs

Details

Source: Mitre, NVD

Published: 2026-08-09

Updated: 2026-08-09

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

CVSS v4

Base Score: 9.3

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: Critical