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CVE-2025-34151: Shenzhen Aitemi M300 Wi-Fi Repeater PPPoE Password Command Injection

• Severity: critical (CVSS 9.4 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-08-07 · updated 2026-06-17
• Weakness: CWE-78

Description

A command injection vulnerability exists in the 'passwd' parameter of the PPPoE setup process on the Shenzhen Aitemi M300 Wi-Fi Repeater (hardware model MT02). The input is passed directly to system-level commands without sanitation, enabling unauthenticated attackers to achieve root-level code execution.

Affected products

• Shenzhen Aitemi E Commerce Co. Ltd. M300 Wi-Fi Repeater: all versions

References

• https://chocapikk.com/posts/2025/when-a-wifi-name-gives-you-root-part-two/
• https://www.aliexpress.us/item/3256806767641280.html
• https://www.vulncheck.com/advisories/shenzhen-aitemi-m300-wifi-repeater-pppoe-password-command-injection

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