CVE-2020-14140: mi xiaomi_router_firmware
CVSS: 7.5v3.1HighModified
Published 29-03-2023Last modified 18-02-2025
Vulnerability summary
CVE-2020-14140 is a high (CVSS 7.5) vulnerability in mi xiaomi_router_firmware. EPSS estimates a 0.99% chance of exploitation in the next 30 days, higher than 62% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
0.99%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 29-03-2023PublishedVulnerability first disclosed.
- 18-02-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesAll 2 agree
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.99%
Chance of exploitation in the next 30 days
Percentile
62%
Versus all other CVEs
30-day change
0.00 pp
From 0.99% on 20-09-2026
20-09-202620-10-2026
EPSS score0.99%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Mi1 product
- xiaomi_router_firmware≥ 2020, < 2023.2
1 vendor · 1 product
References
1 links- trust.mi.com/zh-CN/misrc/bulletins/advisory?cveId=506Vendor Advisory