Is CVE-2020-14140 actively exploited?

No active exploitation of CVE-2020-14140 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-14140 be exploited remotely?

Yes. CVE-2020-14140 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-14140?

CVE-2020-14140 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2020-14140

CWE-306Published: March 29, 2023· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

When Xiaomi router firmware is updated in 2020, there is an unauthenticated API that can reveal WIFI password vulnerability. This vulnerability is caused by the lack of access control policies on some API interfaces. Attackers can exploit this vulnerability to enter the background and execute background command injection.

NVD Source

Technical Analysis

CVE-2020-14140 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), with a CVSS base score of 7.5.