Auth bypass in Mi Xiaomi Router Firmware
CVE-2020-14140
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.010 (61.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Mi Xiaomi Router Firmware
- Xiaomi Multiple Devices — versions Xiaomi Multiple Devices, firmware update time in 2020-2022
Weakness classification (CWE)
References
- trust.mi.com/zh-CN/misrc/bulletins/advisory (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-14140?
- CVE-2020-14140 is a high-severity vulnerability in Mi Xiaomi Router Firmware, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2023-03-29.
- How severe is CVE-2020-14140?
- High severity. CVSS v3 base score is 7.5 out of 10.