Is CVE-2019-18370 actively exploited?

No active exploitation of CVE-2019-18370 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-18370 be exploited remotely?

Yes. CVE-2019-18370 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-18370?

CVE-2019-18370 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2019-18370

CWE-78Published: October 23, 2019· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2019-18370 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.