CVE-2020-14140

Name: CVE-2020-14140
Creator: NVD / NIST
Published: 2023-03-29T20:15:07.087+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.03%

Last modified Jun 17, 2026

CVE-2020-14140 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 1.03% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

1.03%

59.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Mi	Xiaomi Router Firmware	>= 2020, < 2023.2

References

https://trust.mi.com/zh-CN/misrc/bulletins/advisory?cveId=506Vendor Advisory
https://trust.mi.com/zh-CN/misrc/bulletins/advisory?cveId=506Vendor Advisory

Timeline

Published: Mar 29, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-14140?

How severe is CVE-2020-14140?

CVE-2020-14140 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.03% probability of exploitation in the next 30 days.

How do I fix CVE-2020-14140?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-14140?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST