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CVE-2019-18370

CRITICAL
9.8
CVSS Score
Published: October 23, 2019 at 08:01 PM UTC
Updated: June 17, 2026 at 02:24 AM UTC
2 products affected across 1 vendorMillet Router 3G FirmwareMillet Router 3G

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Severity
CRITICAL9.8
Exploit prediction
EPSS 40%

Description

An issue was discovered on Xiaomi Mi WiFi R3G devices before 2.28.23-stable. The backup file is in tar.gz format. After uploading, the application uses the tar zxf command to decompress, so one can control the contents of the files in the decompressed directory. In addition, the application's sh script for testing upload and download speeds reads a URL list from /tmp/speedtest_urls.xml, and there is a command injection vulnerability, as demonstrated by api/xqnetdetect/netspeed.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Millet Router 3G Firmware· Mi
95%
v < 2.28.23
Affected range stops below 2.28.23, so it looks safe — our inference, not a vendor statement
mi-millet-router-3g (same device)
Millet Router 3G· Midevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/UltramanGaia/Xiaomi_Mi_WiFi_R3G_Vulnerability_POC/blob/master/remote_command_execution_vulnerability.py

CVSS

9.8CRITICAL[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-78

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