CVE-2026-19348

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.

CVSS 4.0

8.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

CVSS 3.1

9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

3.6% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-25)

CWEs

CWE-74, CWE-77

Published

2026-08-09

Modified

2026-10-23

Record from

the NVD, synced 2026-10-24

References

• https://github.com/IEATASICS/m300-repeater-bugs
• https://vuldb.com/cve/CVE-2026-19348
• https://vuldb.com/submit/865682
• https://vuldb.com/submit/865683
• https://vuldb.com/submit/865684

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