What is CVE-2026-58457?

CVE-2026-58457 is a critical-severity vulnerability in Shenzhen Aitemi E Commerce Co. Ltd. M300 Wi-fi Repeater, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-07-01.

How severe is CVE-2026-58457?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Shenzhen Aitemi E Commerce Co. Ltd. M300 Wi-fi Repeater

CVE-2026-58457

Shenzhen Aitemi M300 Wi-Fi Repeater (hardware model MT02) contains an unauthenticated OS command injection vulnerability that allows network-adjacent attackers to execute arbitrary shell commands by injecting unsanitized input through the…

Vulnerability class: Command Injection (OS Command Injection)

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Shenzhen Aitemi E Commerce Co. Ltd. M300 Wi-fi Repeater

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

disclosure@vulncheck.com (technical-description, exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-58457?: CVE-2026-58457 is a critical-severity vulnerability in Shenzhen Aitemi E Commerce Co. Ltd. M300 Wi-fi Repeater, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-07-01.
How severe is CVE-2026-58457?: Critical severity. CVSS v3 base score is 9.8 out of 10.