CVE-2020-14140 json
When Xiaomi router firmware is updated in 2020, there is an unauthenticated API that can reveal WIFI password vulnerability.
published 2023-03-29 3 y ago modified 2026-06-17 4 mo ago also EUVD-2020-6299
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- mi xiaomi_router_firmware 2023.2
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 20 mo ago
Exploit prediction
0.99% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected products
- n/a Xiaomi Multiple Devices
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
References
-
trust.mi.com
/zh-CN/misrc/bulletins/advisory?cveId=506
vendor-advisory
Sources
- CVE List CVE-2020-14140
- NVD CVE-2020-14140
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