Monitor vulnerabilities like this one.
Sign up free to get alerted when software you use is affected.
8.9
CVE-2026-19348: Shenzhen Aitemi M300 Wi-Fi Repeater allows remote command execution
CVE-2026-19348 · published 26 days ago
Summary
A security flaw in the Shenzhen Aitemi M300 Wi-Fi Repeater allows hackers to remotely take control of the device. This could happen if an attacker sends the device a malicious message. We recommend that you update the device to the latest version to fix this issue.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| shenzhen aitemi | m300 wi-fi repeater | r0-ea7890a |
Original advisory text
Shenzhen Aitemi M300 Wi-Fi Repeater protocol.csp sprintf command injection
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 vdb-entry technical-description
- https://vuldb.com/vuln/387184/cti signature permissions-required
- https://vuldb.com/cve/CVE-2026-19348 third-party-advisory
- https://vuldb.com/submit/865682 third-party-advisory
- https://vuldb.com/submit/865683 third-party-advisory
- https://vuldb.com/submit/865684 third-party-advisory
- https://github.com/IEATASICS/m300-repeater-bugs exploit
Severity
8.9
High
CVSS 3.1: 9.8 (MITRE)
Exploitation
EPSS 2%
Type
CWE-77Command Injection
CWE-74Injection
Timeline
Published9 Aug 2026
Updated30 Aug 2026
First seen9 Aug 2026
Monitor software like this
Free during beta